Junior (1999–2004)

South debuted on the ITF Junior Circuit in June 1999. She saw very little in the way of singles success until July 2002, when she reached her first tournament quarterfinal at The Scottish Junior Championships. Six months later, she won the 17th Salik Open (her only singles title at junior level), and then reached the semifinals of her next tournament before losing to Anna Chakvetadze. Following this, she reached the quarterfinals of her next two tournaments. She competed in the Wimbledon girls' tournament only twice and lost in the first round each time. In singles, her career-high ranking was world No. 266, and her win–loss record was 15–8.^[12]

As a junior doubles player she won one title, the Scottish Junior International Championships, as well as losing in the final of two others (the Västerås International Junior Championships and the LTA Junior International Tournament Wrexham). In 2004, she reached the quarterfinals of the Wimbledon girls' doubles, partnering Katie O'Brien. Her junior win–loss record in doubles was 7–7 and her highest ranking was world No. 335.^[12]

2001–2003

Her first professional match (and only match that year) came in October 2001; a match which she lost in straight sets to Natalia Egorova from Russia.^[13]

In 2002, in only her second match at adult level, she received a wildcard into the qualifying draw at Wimbledon and lost to Adriana Barna. South spent the rest of 2002 playing in ITF tournaments in Great Britain, not getting past the second round in any of them. She finished 2002 with her world ranking at No. 931.^[13]

During 2003, she played a total of ten matches (again all ITF) and won four of them. She again failed to progress further than the second round of any of these tournaments and at the end of the 2003 season she had a ranking of No. 851.^[13]

2004

2004 began well for South; in her first four tournaments of the year, she managed to reach the quarterfinals, second round, quarterfinal and semifinal, respectively, before going on to win her fifth tournament of the year. In her sixth tournament, she lost in the first round before reaching the final of the next, losing to Elke Clijsters (sister of former world number one, Kim Clijsters) in three sets. Later that month she reached the semifinals of the $10k event in Antalya, Turkey. In June she played her first match on the WTA Tour, when she received a wildcard into the Tier III DFS Classic in Birmingham. She lost in the first round of the qualifying tournament to Maria Kirilenko. She immediately received another wildcard into the qualifying draw of Wimbledon, but lost in straight sets to Bethanie Mattek in the first round. After Wimbledon, she played three more ITF tournaments and reached the quarterfinals of two of them. At the end of 2004 her ranking was No. 453.^[13]

2005

In January 2005, she played the $10k event in Tipton where she reached the quarterfinals, losing to Katie O'Brien. In April, she won the second ITF title of her career, beating top-seed Anne Keothavong in the final. Between winning this and losing in the first round of qualifying for Wimbledon for the third year running, she reached the final of one more ITF tournament and the semifinal stage of another. After Wimbledon, she played nine more ITF events, reaching the semifinal stage in two of them. Her ranking was world No. 449 at the end of 2005.^[13]

2006

In the first half of 2006, she won the third ITF tournament of her career in Hull and reached the semifinals of another ITF event, this one in Tenerife, as a qualifier before losing to Andrea Hlaváčková. In the run-up to Wimbledon 2006, she played two WTA tournaments courtesy of wildcards. She lost in the first round of the Birmingham Classic (Tier III) to fellow wildcard Sarah Borwell in three sets, and also lost in the first round of qualifying for the Tier-II tournament in Eastbourne. In June, South played for the first time in the Wimbledon main draw as a wildcard and reached the second round by beating No. 11 seed, Francesca Schiavone, in the first round. She lost to Shenay Perry in the second round. South's win over world No. 14 Schiavone was a career-first top-20 victory, and the best win in terms of ranking for a British player since Sam Smith beat No. 7, Conchita Martínez, at Wimbledon in 1998.^[1] After Wimbledon, South won another ITF tournament, reached three semifinals and two more quarterfinals. She participated in the qualifying tournament for the US Open in September but did not progress further than the first round. Her year-end ranking was world No. 176.^[13]

2007

2007 started slowly for South, with a loss in the first round of qualifying for the Tier-IV Auckland Open to Sara Errani (a later top-40 player) and a loss in the first round of the qualifying tournament for the Australian Open to Timea Bacsinszky (a future top-50 player). South reached the quarterfinals of another ITF tournament in May before losing to Casey Dellacqua. In June she lost in the first round of qualifying for the French Open, reached the quarterfinals of another ITF (Surbiton), lost in the second round of the qualifying tournament for the Birmingham Classic and reached the second round of the Tier-II tournament in Eastbourne, beating Alicia Molik in the first round before losing to Marion Bartoli in the second. Immediately after this came another appearance in the main draw of Wimbledon where she played Japanese veteran Ai Sugiyama but lost. The rest of South's 2007 season saw her reach three more ITF semifinals and four quarterfinals. She failed to qualify for the US Open for the second year in a row. Her year-end ranking fell to No. 214.^[13]

2008

South started her 2008 season by attempting to qualify for the Auckland Open. She reached the final round of qualifying before falling to compatriot Elena Baltacha. She then went on to lose to Tamarine Tanasugarn in the first round of qualifying for the Australian Open. Following this, she reached the semifinals of the $75k event in Midland, before being demolished by Ashley Harkleroad. In March, she reached the final round of qualifying for the Bangalore Open before becoming a quarterfinalist in the $25k event in Kalgoorlie, winning the title in another $25k in Sorrento and then reaching the quarterfinals of the $50k event in Patras. Her next noteworthy results came in late April and early May when she reached the semifinals in two back-to-back $50k events in Japan. She was beaten in the first round of qualifying for the French Open by fellow Brit Katie O'Brien. Her grass-court season began with her best result to date in a WTA tournament by reaching the quarterfinals of the Birmingham Classic. She defeated fellow British wildcard Anna Fitzpatrick in round one^[14] before beating No. 4 seed Sybille Bammer in the second.^[15] In the third round, she came up against 17th seed Aiko Nakamura and won in three sets.^[6] Unseeded Yanina Wickmayer beat South in the quarterfinals. Following this, she received another wildcard into the International Women's Open where she lost in the first round to Alisa Kleybanova. She entered the main draw of the Wimbledon Championships courtesy of another wildcard and gave No. 28 seed Alona Bondarenko a battle in round one. South was eventually defeated in three sets.

After Wimbledon, she attempted to qualify for the Tier-II tournament in Los Angeles but fell in the final round of qualifying. However, No. 2 seed Serena Williams withdrew from the tournament before her first-round match resulting in South getting into the main draw as a lucky loser. As Serena was the No. 2 seed, South received her bye into the second round where she capitalised on this good opportunity by beating Petra Kvitová. Yuan Meng from China beat South in the third round. She followed this up by qualifying for the Rogers Cup where tenth seed Marion Bartoli beat her in round one. In August, she reached the final round of qualifying for the US Open where she was beaten by Zhang Shuai. In October and November, South reached four consecutive $25k tournaments in Traralgon, Mount Gambier, Port Pirie and Pune. She lost to Jarmila Gajdošová, Natalie Grandin, beat Yurika Sema and then lost to Lu Jingjing respectively. She finished the year with a run to the quarterfinals of the $75k tournament in Toyota, giving her a year-end ranking of world No. 116.^[13]

2009

In early January, South attempted to qualify for the Brisbane International tournament where she lost to Ekaterina Bychkova. She followed this up by entering the qualifying draw for the Sydney International, a Premier event. South defeated Akgul Amanmuradova, Kristina Barrois and Yuan Meng to qualify for the tournament. She qualified for the main draw of the Australian Open when Maria Sharapova withdrew because of injury.^[16] Because Anne Keothavong had already qualified for the main draw, it was the first time since Jo Durie and Clare Wood in the 1993 US Open, that two British women had gained direct entry into a Grand Slam championship.^[17] South made it to the second round at Brisbane after Bartoli retired due to a left calf strain at 1–1 in the first set. She was defeated in the second round by No. 2 seed, Caroline Wozniacki, in straight sets.^[18] In the first round of the Australian Open, South fell to Bartoli in straight sets. South broke into the top 100 for the first time on 2 February 2009, achieving a career-high ranking of 99. This marked the first time in nearly 16 years that two British women had been inside the top 100, following Durie and Monique Javer in March 1993.

South spent the following week in Estonia playing in the 2009 Fed Cup alongside compatriots Anne Keothavong, Elena Baltacha and doubles specialist Sarah Borwell. Great Britain was drawn into the same group as Hungary, Netherlands and Luxembourg. Against Hungary, South and Borwell teamed up to face Katalin Marosi and Ágnes Szávay, and defeated them in straight sets, thus contributing to Britain's 3–0 victory over Hungary.^[19] She was not required to participate when Britain defeated the Netherlands, 3–0, but played in both the doubles and singles in the third and final tie against Luxembourg. She beat Fabienne Thill, and followed this victory up with another in doubles, beating Mandy Minella and Thill with partner Sarah Borwell. This gave Britain a 9–0 record in their group, making them the Group A winner and giving them the opportunity to play another group winner for a chance to participate in the World Group II Play-offs. However, Britain lost 2–1 to Poland in the playoffs. Following this, South gained direct entry into the International tournament, the Cellular South Cup on the merit of her own ranking but was beaten by the third seed Lucie Šafářová in round one.

She then briefly returned to the ITF Circuit to participate in the $50k event in Clearwater, Florida where she was the No. 3 seed but was beaten in round one by Japanese Aiko Nakamura. Her next tournament was the first Premier Mandatory tournament of the WTA calendar, the Indian Wells Open where she competed in qualifying but was defeated by Varvara Lepchenko in round one. She then immediately went to her next Premier Mandatory tournament of the calendar, the Miami Open, where she also lost in the qualifying stages.

Her next breakthrough came at the $50k event in Nottingham where she reached the quarterfinals before falling to Stefanie Vögele in three sets. She followed this up with a victory on the WTA Tour at the Birmingham Classic over Katie O'Brien before falling to first seed Zheng Jie. She then lost in qualifying at Eastbourne and in the first round of Wimbledon to Vera Dushevina and Mathilde Johansson respectively. She had little success on the ITF Circuit until a Glasgow $25k event where she reached the final as the second seed. In the final, she fell to Johanna Larsson of Sweden, in three sets.

She ended the year with a singles record of 20–21 and a year-end ranking of 160.

In doubles, South captured two titles in Helsinki and Glasgow, partnering Emma Laine for both titles. She also achieved a first-round win over Alona and Kateryna Bondarenko at Wimbledon, alongside fellow Brit Jocelyn Rae. She ended the year with a doubles record of 12–5.

Singles: 12 (6 titles, 6 runner-ups)

Outcome	No.	Date	Tournament	Surface	Opponent	Score
Winner	1.	3 March 2004	ITF Mumbai, India	Hard	Chen Yanchong	6–4, 6–4
Runner-up	2.	1 May 2004	ITF Bournemouth, United Kingdom	Clay	Elke Clijsters	6–3, 1–6, 2–6
Winner	3.	10 April 2005	ITF Bath, United Kingdom	Hard	Anne Keothavong	6–4, 4–6, 6–4
Runner-up	4.	8 May 2005	ITF Edinburgh, United Kingdom	Clay	Ekaterina Kozhokina	4–6, 3–6
Winner	5.	29 January 2006	ITF Hull, United Kingdom	Hard (i)	Irena Pavlovic	6–4, 6–1
Winner	6.	30 July 2006	ITF Chengdu, China	Hard	Lu Jingjing	7–5, 7–6(5)
Winner	7.	23 March 2008	ITF Sorrento, Italy	Hard	Christina Wheeler	7–5, 6–7(6), 6–4
Runner-up	8.	12 October 2008	ITF Traralgon, Australia	Hard	Jarmila Gajdošová	3–6, 6–3, 1–6
Runner-up	9.	19 October 2008	ITF Mount Gambier, Australia	Hard	Natalie Grandin	6–7(2), 4–6
Winner	10.	26 October 2008	ITF Port Pirie, Australia	Hard	Yurika Sema	6–3, 6–4
Runner-up	11.	15 November 2008	Pune Championships, India	Hard	Lu Jingjing	3–6, 2–6
Runner-up	12.	25 October 2009	GB Pro-Series Glasgow, UK	Hard	Johanna Larsson	1–6, 6–1, 3–6

Doubles: 45 (24 titles, 21 runner-ups)

Outcome	No.	Date	Tournament	Surface	Partner	Opponents	Score
Winner	1.	1 February 2004	ITF Tipton, United Kingdom	Hard	Rebecca Llewellyn	Klaudia Jans Alicja Rosolska	2–6, 6–1, 6–4
Runner-up	2.	23 January 2005	ITF Tipton, United Kingdom	Hard	Katie O'Brien	Surina De Beer Rebecca Llewellyn	4–6, 2–6
Runner-up	3.	30 January 2005	ITF Hull, United Kingdom	Hard	Katie O'Brien	Irena Bulykina Vasilisa Davydova	6–4, 3–6, [5–10]
Winner	4.	3 April 2005	ITF Bath, United Kingdom	Hard	Surina De Beer	Ekaterina Kozhokina Trudi Musgrave	6–2, 7–5
Winner	5.	1 May 2005	ITF Bournemouth, UK	Clay	Claire Peterzan	Anna Hawkins Holly Richards	5–7, 6–4, 6–3
Winner	6.	8 May 2005	ITF Edinburgh, UK	Clay	Rebecca Llewellyn	Leonie Mekel Bibiane Schoofs	6–0, 3–6, 6–3
Runner-up	7.	5 February 2006	ITF Jersey, UK	Hard	Katie O'Brien	Andrea Hlaváčková Matea Mezak	3–6, 1–6
Winner	8.	1 October 2006	ITF Nottingham, UK	Hard	Karen Paterson	Katie O'Brien Margit Rüütel	6–2, 2–6, 7–6(1)
Winner	9.	8 October 2006	Open Nantes, France	Hard	Rebecca Llewellyn	Sabine Lisicki Irena Pavlovic	6–2, 6–0
Runner-up	10.	16 February 2007	ITF Stockholm, Sweden	Hard	Sorana Cîrstea	Danica Krstajić Olga Panova	2–6, 6–0, 2–6
Runner-up	11.	17 March 2007	ITF Gran Canaria, Spain	Hard	Claire Curran	Sorana Cîrstea Mădălina Gojnea	6–4, 6–7(5), 4–6
Runner-up	12.	30 March 2007	ITF La Palma, Spain	Hard	Arantxa Parra Santonja	Petra Cetkovská Andrea Hlaváčková	3–6, 2–6
Winner	13.	8 June 2007	Surbiton Trophy, UK	Grass	Karen Paterson	Elena Baltacha Naomi Cavaday	6–1, 6–4
Winner	14.	14 July 2007	ITF Felixstowe, UK	Grass	Karen Paterson	Jade Curtis Rebecca Llewellyn	6–3, 6–3
Winner	15.	28 July 2007	ITF La Coruña, Spain	Hard	Marina Erakovic	Andrea Hlaváčková Justine Ozga	6–1, 4–6, [10–4]
Runner-up	16.	7 October 2007	Open Nantes, France	Hard	Caroline Maes	Sofia Arvidsson Johanna Larsson	6–4, 5–7, [7–10]
Winner	17.	21 March 2008	ITF Sorrento, Italy	Hard	Monique Adamczak	Chang Kai-chen Hwang I-hsuan	6–2, 6–4
Runner-up	18.	4 May 2008	Kangaroo Cup, Japan	Carpet	Nicole Thyssen	Kimiko Date-Krumm Kurumi Nara	1–6, 7–6(8), [7–10]
Winner	19.	11 May 2008	Fukuoka International, Japan	Carpet	Nicole Thijssen	Maya Kato Julia Moriarty	4–6, 6–3, [14–12]
Runner-up	20.	9 August 2008	ITF Monterrey, Mexico	Hard	Monique Adamczak	Jelena Pandžić Magdaléna Rybáriková	6–4, 4–6, [8–10]
Winner	21.	29 November 2008	ITF Toyota, Japan	Carpet (i)	Emma Laine	Kimiko Date-Krumm Han Xinyun	6–1, 7–5
Winner	22.	3 October 2009	ITF Helsinki, Finland	Hard (i)	Emma Laine	Anna Smith Johanna Larsson	6–3, 6–3
Winner	23.	25 October 2009	GB Pro-Series Glasgow, UK	Hard (i)	Emma Laine	Evelyn Mayr Julia Mayr	6–3, 6–2
Runner-up	24.	22 March 2010	ITF Jersey, UK	Hard (i)	Jarmila Gajdošová	Maret Ani Anna Smith	7–5, 6–4
Runner-up	25.	26 May 2010	Kangaroo Cup, Japan	Clay	Ksenia Lykina	Erika Sema Tomoko Yonemura	3–6, 6–2, 7–10
Winner	26.	14 August 2010	ITF Tallinn, Estonia	Hard	Emma Laine	Lu Jingjing Sun Shengnan	6–3, 6–4
Runner-up	27.	26 October 2010	ITF Port Pirie, Australia	Clay	Remi Tezuka	Bojana Bobusic Alenka Hubacek	3–6, 2–6
Winner	28.	28 November 2010	ITF Traralgon, Australia	Hard	Tímea Babos	Jarmila Gajdošová Jade Hopper	6–3, 6–2
Winner	29.	3 December 2010	Bendigo International, Australia	Hard	Tímea Babos	Jarmila Gajdošová Jade Hopper	6–3, 6–2
Winner	30.	4 February 2011	ITF Sutton, UK	Hard	Emma Laine	Marta Domachowska Darija Jurak	6–3, 5–7, [10–8]
Runner-up	31.	5 March 2011	ITF Hammond, U.S.	Hard	Mervana Jugić-Salkić	Christina Fusano Julie Ditty	3–6, 3–6
Runner-up	32.	16 July 2011	ITF Woking, UK	Hard	Emma Laine	Julie Coin Eva Hrdinová	1–6, 6–3, [8–10]
Runner-up	33.	24 July 2011	ITF Wrexham, UK	Hard	Lenka Wienerová	Anna Fitzpatrick Jade Windley	2–6, 6–4, [3–10]
Winner	34.	4 February 2012	Burnie International, Australia	Hard	Arina Rodionova	Stephanie Bengson Tyra Calderwood	6–2, 6–2
Winner	35.	17 February 2012	ITF Sydney, Australia	Hard	Arina Rodionova	Duan Yingying Han Xinyun	3–6, 6–3, [10–8]
Runner-up	36.	19 March 2012	GB Pro-Series Bath, UK	Hard (i)	Julie Coin	Tatjana Maria Stephanie Vogt	3–6, 6–3, [3–10]
Runner-up	37.	14 May 2012	Kurume Cup, Japan	Grass	Ksenia Lykina	Han Xinyun Sun Shengnan	1–6, 0–6
Winner	38.	14 January 2013	GB Pro-Series Glasgow, UK	Hard (i)	Tara Moore	Anna Smith Francesca Stephenson	7–6(5), 6–3
Runner-up	39.	23 January 2013	ITF Preston, UK	Hard (i)	Tara Moore	Samantha Murray Jade Windley	3–6, 6–3, [5–10]
Winner	40.	4 February 2013	ITF Rancho Mirage, United States	Hard	Tara Moore	Jan Abaza Louisa Chirico	4–6, 6–2, [12–10]
Runner-up	41.	22 April 2013	ITF Phuket, Thailand	Hard (i)	Tara Moore	Nicha Lertpitaksinchai Peangtarn Plipuech	3–6, 7–5, [9–11]
Runner-up	42.	22 July 2013	ITF Wrexham, UK	Hard	Anna Smith	Kanae Hisami Mari Tanaka	3–6, 6–7(2)
Winner	43.	29 July 2013	ITF Nottingham, UK	Hard	Anna Smith	Daneika Borthwick Anna Fitzpatrick	6–4, 6–2
Runner-up	44.	26 August 2013	ITF Antalya, Turkey	Hard	Emma Laine	Andrea Benítez Carla Forte	6–4, 3–6, [8–10]
Winner	45.	2 September 2013	ITF Antalya, Turkey	Hard	Emma Laine	Patcharin Cheapchandej Tanaporn Thongsing	6–4, 6–3

Singles

Doubles

Mixed doubles

Fed Cup

Europe/Africa Group I
Date	Venue	Surface	Round	Opponent	Final match score	Match	Opponents	Rubber score
30–31 January 2008	Budapest	Carpet (i)	RR	Switzerland	1–2	Doubles (with Elena Baltacha)	Gagliardi/Schnyder	3–6, 3–6 (L)
				Hungary	1–2	Doubles (with Elena Baltacha)	Arn/Szávay	2–6, 2–6 (L)
4–6 February 2009	Tallinn	Hard (i)	RR	Hungary	3–0	Doubles (with Sarah Borwell)	Marosi/Szávay	6–4, 6–3 (W)
				Luxembourg	3–0	Singles	Fabienne Thill	6–0, 6–2 (W)
						Doubles (with Sarah Borwell)	Minella/Thill	w/o (W)