Singles
2020 Sofia Open
Final
Champion	Jannik Sinner
Runner-up	Vasek Pospisil
Score	6–4, 3–6, 7–6(7–3)
Details
Draw	28 (4 Q / 3 WC )
Seeds	8
Events
Singles Doubles
← 2019 · ATP Sofia Open · 2021 →

Jannik Sinner defeated Vasek Pospisil in the final, 6–4, 3–6, 7–6^(7–3) to win the singles tennis title at the 2020 Sofia Open. It was his first ATP Tour title.

Daniil Medvedev was the reigning champion,^[1] but chose not to defend his title.

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

	Semifinals							Final
	5	Adrian Mannarino	3	5
		Jannik Sinner	6	7
									Jannik Sinner	6	3	77
									Vasek Pospisil	4	6	63
		Vasek Pospisil	66	6	6
		Richard Gasquet	78	2	0

	First round							Second round							Quarterfinals							Semifinals
								1	D Shapovalov	2	4
		R Albot	6	6					R Albot	6	6
		Y Sugita	4	1												R Albot	2	6	3
		E Gerasimov	6	3	6										5	A Mannarino	6	1	6
	Q	V Troicki	3	6	3				E Gerasimov	4	66
	LL	M Kližan	6	1	5			5	A Mannarino	6	78
	5	A Mannarino	3	6	7																	5	A Mannarino	3	5
																							J Sinner	6	7
								3	A de Minaur	6	77
	Q	T Daniel	62	1				Q	A Karatsev	4	65
	Q	A Karatsev	77	6											3	A de Minaur	77	4	1
		M Fucsovics	2	4												J Sinner	63	6	6
		J Sinner	6	6					J Sinner	6	6
	LL	M-A Hüsler	6	4	78			LL	M-A Hüsler	3	4
	7	N Basilashvili	1	6	66

	First round							Second round							Quarterfinals							Semifinals
	6	J Millman	6	6
	WC	A Andreev	3	1				6	J Millman	7	63	6
	Q	G Simon	6	6				Q	G Simon	5	77	2
		A Martin	2	2											6	J Millman	3	2
		V Pospisil	6	5	77											V Pospisil	6	6
	LL	I Marchenko	2	7	65				V Pospisil	6	6
								4	J-L Struff	3	4
																							V Pospisil	66	6	6
	8	M Čilić	3	2																			R Gasquet	78	2	0
	WC	J Forejtek	6	6				WC	J Forejtek	4	2
		R Carballés Baena	3	4					R Gasquet	6	6
		R Gasquet	6	6												R Gasquet	77	7
		S Caruso	4	6	6											S Caruso	64	5
	WC	D Kuzmanov	6	4	4				S Caruso	6	6
								2	F Auger-Aliassime	4	4

	First round							Qualifying competition
	1	Gilles Simon	6	6
	Alt	Luke Saville	4	3
								1	Gilles Simon	6	6
									Illya Marchenko	2	3
		Illya Marchenko	7	6
	6	Jozef Kovalík	5	3

	First round							Qualifying competition
	Alt	Fabrizio Ornago	6	1	6
	WC	Gabriel Donev	3	6	2
								Alt	Fabrizio Ornago	2	4
									Viktor Troicki	6	6
		Viktor Troicki	6	62	6
	5	Evgeny Donskoy	4	77	4

	First round							Qualifying competition
	3	Aslan Karatsev	6	6
	WC	Alexander Donski	2	3
								3	Aslan Karatsev	77	6
								8	Marc-Andrea Hüsler	62	4
		Frederico Ferreira Silva	4	5
	8	Marc-Andrea Hüsler	6	7

	First round							Qualifying competition
	4	Taro Daniel	6	6
		Zdeněk Kolář	4	3
								4	Taro Daniel	6	6
								7	Martin Kližan	3	4
		Max Purcell	5	4
	7	Martin Kližan	7	6

• Main draw
• Qualifying draw