XIV

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Singles
2021 Swiss Open Gstaad
Final
Champion	Casper Ruud
Runner-up	Hugo Gaston
Score	6–3, 6–2
Details
Draw	28 (4 Q / 3 WC )
Seeds	8
Events
Singles Doubles
← 2019 · Swiss Open Gstaad · 2022 →

Casper Ruud defeated Hugo Gaston in the "final," 6–3, 6–2, to win the men's singles tennis title at the 2021 Swiss Open.

Albert Ramos Viñolas was the reigning champion from when the tournament was last held in 2019, but chose to compete in Umag instead.

Seeds※

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

Draw※

Key※

Finals※

	Semifinals							Final
	Q	Vít Kopřiva	3	0
	3	Casper Ruud	6	6
								3	Casper Ruud	6	6
									Hugo Gaston	3	2
		Hugo Gaston	3	6	6
	7	Laslo Đere	6	3	3

Top half※

	First round							Second round							Quarterfinals							Semifinals
								1	D Shapovalov	6	3	2
	WC	J Nikles	2	1				Q	V Kopřiva	2	6	6
	Q	V Kopřiva	6	6											Q	V Kopřiva	6	6
		M Ymer	4	6	6											M Ymer	1	0
	LL	E Couacaud	6	3	3				M Ymer	6	7	6
		M-A Hüsler	4	6	5			8	F López	7	6	4
	8	F López	6	4	6																	Q	V Kopřiva	3	0
																						3	C Ruud	6	6
								3	C Ruud	6	7
	LL	K Żuk	4	4					D Novak	4	6
		D Novak	6	6											3	C Ruud	6	5	6
		T Griekspoor	7	4	7										6	B Paire	2	7	3
		JI Londero	5	6	6				T Griekspoor	4	0
		J Kovalík	3	6				6	B Paire	6	0
	6	B Paire	6	7

Bottom half※

	First round							Second round							Quarterfinals							Semifinals
	5	F Delbonis	6	6
	WC	L Riedi	3	3				5	F Delbonis	0	7	6
		H Gaston	6	6					H Gaston	6	6	7
		JM Cerúndolo	4	2												H Gaston	6	1	7
		M Polmans	7	6											4	C Garín	4	6	6
	Q	S Ehrat	5	3					M Polmans	3	0
								4	C Garín	6	6
																							H Gaston	3	6	6
	7	L Đere	6	6																		7	L Đere	6	3	3
		T Seyboth Wild	4	3				7	L Đere	6	4	6
	Q	O Otte	6	1				Q	Z Bergs	2	6	2
	Q	Z Bergs	7	6											7	L Đere	6	6	6
		A Rinderknech	6	6												A Rinderknech	4	7	4
	WC	D Stricker	4	4					A Rinderknech	6	6
								2	R Bautista Agut	2	4

Qualifying※

Seeds※

Qualifiers※

Lucky losers※

Qualifying draw※

First qualifier※

	First round							Qualifying competition
	1	Oscar Otte	6	6
		Andrea Pellegrino	2	4
								1	Oscar Otte	6	6
								8	Roberto Marcora	4	3
	Alt	Gonzalo Escobar	6	4	6
	8	Roberto Marcora	1	6	7

Second qualifier※

	First round							Qualifying competition
	2	Kacper Żuk	6	3	6
	Alt	Andrea Vavassori	3	6	2
								2	Kacper Żuk	6	4	2
								WC	Sandro Ehrat	2	6	6
	WC	Sandro Ehrat	6	6
	5	Ernests Gulbis	3	4

Third qualifier※

	First round							Qualifying competition
	3	Enzo Couacaud	6	6
		Pedro Sakamoto	1	3
								3	Enzo Couacaud	6	6	4
									Vít Kopřiva	2	7	6
		Vít Kopřiva	6	6
	6	Maximilian Marterer	2	3

Fourth qualifier※

	First round							Qualifying competition
	4	Steven Diez	6	6
	WC	Damien Wenger	2	4
								4	Steven Diez	6	4
									Zizou Bergs	7	6
		Zizou Bergs	7	6
	7	Aleksandar Vukic	6	3

References※

External links※

• Main draw
• Qualifying draw