2021 Geneva Open – Singles

Alexander Zverev was the defending champion from when the event was held in 2019, but chose not to defend his title.

Singles
2021 Geneva Open
Champion	Casper Ruud
Runner-up	Denis Shapovalov
Score	7–6(8–6), 6–4
Draw	28 (4 Q / 3 WC )
Seeds	8

Main article: 2021 Geneva Open

Casper Ruud won the title, defeating Denis Shapovalov in the final, 7–6^(8–6), 6–4.

Seeds

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

1. Roger Federer (second round)
2. Denis Shapovalov (final)
3. Casper Ruud (champion)
4. Grigor Dimitrov (quarterfinals)
5. Cristian Garín (withdrew)
6. Fabio Fognini (second round)
7. Benoît Paire (first round)
8. Adrian Mannarino (first round)

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
		Pablo Andújar	3	2
	3	Casper Ruud	6	6
								3	Casper Ruud	78	6
								2	Denis Shapovalov	66	4
	Q	Pablo Cuevas	4	5
	2	Denis Shapovalov	6	7

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	R Federer	4	6	4
		J Thompson	0	4					P Andújar	6	4	6
		P Andújar	6	6												P Andújar	4	6	6
		M Čilić	65	1											WC	D Stricker	6	4	4
	WC	D Stricker	77	6				WC	D Stricker	7	6
		M Fucsovics	7	7					M Fucsovics	5	4
	Q	H Laaksonen	5	5																			P Andújar	3	2
																						3	C Ruud	6	6
								3	C Ruud	7	6
		T Sandgren	6	6					T Sandgren	5	2
		S Caruso	3	4											3	C Ruud	2	6	6
		F López	78	6												D Koepfer	6	1	4
	LL	D Altmaier	66	4					F López	5	77	3
		D Koepfer	68	77	6				D Koepfer	7	61	6
	7	B Paire	710	65	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	A Mannarino	3	77	3
	WC	A Cazaux	6	65	6			WC	A Cazaux	2	4
	Q	P Cuevas	77	6				Q	P Cuevas	6	6
		R Opelka	65	2											Q	P Cuevas	77	6
		F Verdasco	65	4											4/WC	G Dimitrov	63	3
	Q	I Ivashka	77	6				Q	I Ivashka	4	4
								4/WC	G Dimitrov	6	6
																						Q	P Cuevas	4	5
	6	F Fognini	6	6																		2	D Shapovalov	6	7
		G Pella	2	2				6	F Fognini	3	77	1
		T Monteiro	79	3	5				L Đere	6	62	6
		L Đere	67	6	7											L Đere	4	4
		S Travaglia	3	0r											2	D Shapovalov	6	6
	Q	M Cecchinato	6	3				Q	M Cecchinato	77	5	1
								2	D Shapovalov	64	7	6

Qualifying

Seeds

1. Ilya Ivashka (qualified)
2. Marco Cecchinato (qualified)
3. Mikhail Kukushkin (first round)
4. Pablo Cuevas (qualified)
5. Mackenzie McDonald (qualifying competition)
6. Peter Gojowczyk (first round)
7. Cedrik-Marcel Stebe (first round)
8. Daniel Altmaier (qualifying competition, lucky loser)

Qualifiers

1. Ilya Ivashka
2. Marco Cecchinato
3. Henri Laaksonen
4. Pablo Cuevas

Lucky loser

1. Daniel Altmaier

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Ilya Ivashka	6	6
	WC	Li Hanwen	0	3
								1	Ilya Ivashka	6	6
								5	Mackenzie McDonald	4	3
		Prajnesh Gunneswaran	3	6	3
	5	Mackenzie McDonald	6	3	6

Second qualifier

	First round							Qualifying competition
	2	Marco Cecchinato	6	6
		Illya Marchenko	3	4
								2	Marco Cecchinato	6	77
								8	Daniel Altmaier	1	65
		Marc-Andrea Hüsler	65	2
	8	Daniel Altmaier	77	6

Third qualifier

	First round							Qualifying competition
	3	Mikhail Kukushkin	3	1
		Alejandro Tabilo	6	6
									Alejandro Tabilo	6	1	3
									Henri Laaksonen	2	6	6
		Henri Laaksonen	6	5	6
	7	Cedrik-Marcel Stebe	4	7	0

Fourth qualifier

	First round							Qualifying competition
	4	Pablo Cuevas	6	4	6
	WC	Jakub Paul	3	6	3
								4	Pablo Cuevas	6	6
									Lorenzo Giustino	2	4
		Lorenzo Giustino	6	6
	6	Peter Gojowczyk	2	3

External links

• Main draw
• Qualifying draw