2021 Sofia Open – Singles

Singles
2021 Sofia Open
2020 Champion	Jannik Sinner
Draw	28 (4 Q / 3 WC )
Seeds	8

Main article: 2021 Sofia Open

Jannik Sinner is the defending champion.

Seeds

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

1. Jannik Sinner
2. Gaël Monfils
3. Alex de Minaur (Second round)
4. Alexander Bublik (Withdrew)
5. Filip Krajinović
6. Adrian Mannarino (First round)
7. Alejandro Davidovich Fokina (First round)
8. John Millman

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

Semifinals

Final

Top half

	First Round							Second Round							Quarterfinals							Semifinals
								1	J Sinner	6
	Q	E Gerasimov	5	710	6			Q	E Gerasimov	2
		V Pospisil	7	68	3
		E Ruusuvuori	6	4	4											J Duckworth
		J Duckworth	3	6	6				J Duckworth	6	6
		B Paire	6	7					B Paire	4	4
	7	A Davidovich Fokina	4	5
								LL	K Majchrzak	7	6
	WC	D Kuzmanov	64	77	6			WC	D Kuzmanov	5	1
		L Musetti	77	63	3										LL	K Majchrzak
	Q	P Martínez	65	3											5	F Krajinović
		L Đere	77	6					L Đere	3	0
	WC	A Lazarov	0	3				5	F Krajinović	6	6
	5	F Krajinović	6	6

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	8	J Millman	6	6
		M Ymer	2	4				8	J Millman	5	77	6
	Q	A Seppi	4	2				Q	I Marchenko	7	60	3
	Q	I Marchenko	6	6											8	J Millman
		J Munar	77	1	4											M Giron
		M Giron	62	6	6				M Giron	77	77
								3	A de Minaur	65	62
	6	A Mannarino	3	2
		G Mager	6	6					G Mager	77	6
		M Kecmanović	79	6					M Kecmanović	63	3
	WC	A Andreev	67	4												G Mager
		I Ivashka	6	6											2	G Monfils
		P Andújar	4	3					I Ivashka
								2	G Monfils	w/o

Qualifying

Seeds

1. Pedro Martínez (Qualified)
2. Marco Cecchinato (First round)
3. Andreas Seppi (Qualified)
4. Egor Gerasimov (Qualified)
5. Daniel Elahi Galán (First round)
6. Kamil Majchrzak (Qualifying competition, Lucky loser)
7. Tomáš Macháč (Qualifying competition)
8. Jurij Rodionov (First round)

Qualifiers

1. Pedro Martínez
2. Illya Marchenko
3. Andreas Seppi
4. Egor Gerasimov

Lucky loser

1. Kamil Majchrzak

Qualifying draw

First qualifier

	First Round							Qualifying Competition
	1	Pedro Martínez	7	6
	WC	Simon Anthony Ivanov	5	1
								1	Pedro Martínez	6	77
								6	Kamil Majchrzak	4	64
		Maxime Cressy	6	4	3
	6	Kamil Majchrzak	4	6	6

Second qualifier

	First Round							Qualifying Competition
	2	Marco Cecchinato	3	3
		Illya Marchenko	6	6
									Illya Marchenko	3	6	77
								7	Tomáš Macháč	6	3	62
		Kacper Żuk	4	2
	7	Tomáš Macháč	6	6

Third qualifier

	First Round							Qualifying Competition
	3	Andreas Seppi	77	6
		Cem İlkel	63	2
								3	Andreas Seppi	6	6
								WC	Alexander Donski	3	2
	WC	Alexander Donski	2	6	77
	8	Jurij Rodionov	6	1	64

Fourth qualifier

	First Round							Qualifying Competition
	4	Egor Gerasimov	6	77
		Evgeny Donskoy	3	64
								4	Egor Gerasimov	78	6
									Altuğ Çelikbilek	66	3
		Altuğ Çelikbilek	78	4	7
	5	Daniel Elahi Galán	66	6	5

References

• Main draw
• Qualifying draw