Singles
2021 Antalya Challenger IV
Champion	Evgenii Tiurnev
Runner-up	Oleg Prihodko
Score	3–6, 6–4, 6–4

Nuno Borges was the defending champion^[1] but chose not to defend his title.

Evgenii Tiurnev won the title after defeating Oleg Prihodko 3–6, 6–4, 6–4 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	LL	Oleg Prihodko	1	6	6
		Giovanni Fonio	6	1	3
								LL	Oleg Prihodko	6	4	4
								9	Evgenii Tiurnev	3	6	6
	7	Nerman Fatić	2	7	1r
	9	Evgenii Tiurnev	6	5	4

Top half

	First round							Second round							Quarterfinals							Semifinals
	1/WC	C İlkel	6	7
		I Nedelko	4	5				1/WC	C İlkel	63	6	6
	WC	S Ağabigün	0	5					FC Jianu	77	4	0
		FC Jianu	6	7											1/WC	C İlkel	3	6	2
		D-h Lee	6	6											LL	O Prihodko	6	3	6
		F Marozsán	4	1					D-h Lee	3	3
	LL	O Prihodko	717	6				LL	O Prihodko	6	6
	5	R Bonadio	615	4																		LL	O Prihodko	1	6	6
	4	R Peniston	77	77																			G Fonio	6	1	3
		Y-h Hsu	60	60				4	R Peniston	6	4	4
	LL	J Paul	1	0					G Fonio	1	6	6
		G Fonio	6	6												G Fonio	77	6
		N Hardt	7	6												N Hardt	60	2
		O Krutykh	5	3					N Hardt	5	6	6
		F Misolic	3	3				6	J Barranco Cosano	7	0	2
	6	J Barranco Cosano	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	N Fatić	2	6	6
		Pol Martín Tiffon	6	0	0			7	N Fatić	w/o
		Georgii Kravchenko	4	1					V Orlov
		V Orlov	6	6											7	N Fatić	6	7
		K Sultanov	3	3											3	D Ajduković	4	5
	Q	Cezar Crețu	6	6				Q	C Crețu	6	4	4
		Y Oliel	4	6	4			3	D Ajduković	4	6	6
	3	D Ajduković	6	1	6																	7	N Fatić	2	7	1r
	LL	G Lomakin	5	4																		9	E Tiurnev	6	5	4
	Q	Andrey Chepelev	7	6				Q	A Chepelev	2	0
		A Lazarov	6	6					A Lazarov	6	6
	Q	M İlhan	3	3												A Lazarov	4	77	1
	WC	A Jecan	6	77											9	E Tiurnev	6	65	6
		N Chappell	2	62				WC	A Jecan	3	6	3
	Q	Damien Wenger	2	3				9	E Tiurnev	6	4	6
	9	E Tiurnev	6	6

References

External links

• Main draw
• Qualifying draw