Singles
2018 Diema Xtra Sofia Open
Champion	Mirza Bašić
Runner-up	Marius Copil
Score	7–6(8–6), 6–7(4–7), 6–4
Draw	28 (4 Q / 3 WC )
Seeds	8

Grigor Dimitrov was the defending champion, but withdrew before the tournament because of a shoulder injury.^[1]

Mirza Bašić won his first ATP title, defeating Marius Copil in the final, 7–6^(8–6), 6–7^(4–7), 6–4.

Seeds

The top four seeds receive a bye into the second round.

Draw

Finals

	Semifinals							Final
	1	Stan Wawrinka	66	4
	Q	Mirza Bašić	78	6
								Q	Mirza Bašić	78	64	6
									Marius Copil	66	77	4
		Marius Copil	6	6
	Q	Jozef Kovalík	4	2

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	S Wawrinka	4	6	6
	Q	M Kližan	7	6				Q	M Kližan	6	2	3
	WC	A Donski	5	1											1	S Wawrinka	6	77
	WC	A Andreev	3	4											6	V Troicki	1	63
		D Istomin	6	6					D Istomin	64	6	65
	Q	E Gulbis	3	77	3			6	V Troicki	77	1	77
	6	V Troicki	6	62	6																	1	S Wawrinka	66	4
																						Q	M Bašić	78	6
								4	P Kohlschreiber	5	65
	LL	F Mayer	4	1				Q	M Bašić	7	77
	Q	M Bašić	6	6											Q	M Bašić	6	4	6
		M Marterer	77	6												M Marterer	4	6	3
		M Jaziri	63	4					M Marterer	7	78
	WC	D Kuzmanov	66	1				7	J Sousa	5	66
	7	J Sousa	78	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	R Haase	65	4
		M Copil	77	6					M Copil	6	6
		L Đere	4	4					B Kavčič	2	2
		B Kavčič	6	6												M Copil	6	6
		M Youzhny	3	4											3	G Müller	4	4
		A Seppi	6	6					A Seppi	6	65	62
								3	G Müller	4	77	77
																							M Copil	6	6
	8	E Donskoy	4	4																		Q	J Kovalík	4	2
		L Lacko	6	6					L Lacko	6	2	5
	Q	J Kovalík	6	6				Q	J Kovalík	4	6	7
		R Albot	3	3											Q	J Kovalík	77	6
		M Baghdatis	77	6												M Baghdatis	62	4
	LL	S Caruso	64	3					M Baghdatis	64	6	6
								2	A Mannarino	77	3	1

Qualifying

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Florian Mayer	77	77
		John-Patrick Smith	65	61
								1	Florian Mayer	4	1
									Ernests Gulbis	6	6
		Ernests Gulbis	65	77	77
	6	Lorenzo Sonego	77	62	62

Second qualifier

	First round							Qualifying competition
	2	Mirza Bašić	62	77	6
	WC	Alexandar Lazov	77	63	4
								2	Mirza Bašić	7	6
									Tomislav Brkić	5	4
		Tomislav Brkić	5	6	77
	5	Mats Moraing	7	3	64

Third qualifier

	First round							Qualifying competition
	3	Oscar Otte	63	7	6
	WC	Alexandar Lazarov	77	5	1
								3	Oscar Otte	3	3
								8	Jozef Kovalík	6	6
		Stefano Napolitano	6	4	3
	8	Jozef Kovalík	4	6	6

Fourth qualifier

	First round							Qualifying competition
	4	Martin Kližan	6	6
		Tobias Kamke	4	3
								4	Martin Kližan	1	6	6
								7	Salvatore Caruso	6	4	3
		Luca Vanni	62	3
	7	Salvatore Caruso	77	6

References

External links

• Main Draw
• Qualifying Draw