Singles
2023 Swiss Indoors
Final
Champion	Félix Auger-Aliassime
Runner-up	Hubert Hurkacz
Score	7–6(7–3), 7–6(7–5)
Details
Draw	32 (4 Q / 3 WC )
Seeds	8
Events
Singles Doubles
← 2022 · Swiss Indoors · 2024 →

Defending champion Félix Auger-Aliassime^[1] defeated Hubert Hurkacz in the final, 7–6^(7–3), 7–6^(7–5) to win the singles tennis title at the 2023 Swiss Indoors. He saved a match point en route to his fifth career ATP Tour title (and his first in a year), in the quarterfinals against Alexander Shevchenko.

	Semifinals							Final
	1	Holger Rune	3	2
	6/WC	Félix Auger-Aliassime	6	6
								6/WC	Félix Auger-Aliassime	77	77
								4	Hubert Hurkacz	63	65
	4	Hubert Hurkacz	6	3	77
		Ugo Humbert	4	6	65

	First round							Second round							Quarterfinals							Semifinals
	1	H Rune	1	7	6
		M Kecmanović	6	5	3			1	H Rune	77	6
	Q	C O'Connell	77	4	3				S Báez	62	1
		S Báez	63	6	6										1	H Rune	6	3	78
		A Murray	7	6												TM Etcheverry	1	6	66
		Y Hanfmann	5	4					A Murray	77	3	2
		TM Etcheverry	6	1	6				TM Etcheverry	65	6	6
	8	S Korda	3	6	3																	1	H Rune	3	2
	3	T Fritz	79	77																		6/WC	F Auger-Aliassime	6	6
		M Purcell	67	64				3	T Fritz	79	66	65
		S Wawrinka	3	68				Q	A Shevchenko	67	78	77
	Q	A Shevchenko	6	710											Q	A Shevchenko	62	6	61
	Q	B van de Zandschulp	7	63	6										6/WC	F Auger-Aliassime	77	3	77
		R Bautista Agut	5	77	2			Q	B van de Zandschulp	4	2
	WC	L Riedi	3	2				6/WC	F Auger-Aliassime	6	6
	6/WC	F Auger-Aliassime	6	6

	First round							Second round							Quarterfinals							Semifinals
	5	A de Minaur	6	6
		D Schwartzman	4	4				5	A de Minaur	4	3
		T Griekspoor	77	2	6				T Griekspoor	6	6
	LL	T Seyboth Wild	64	6	3											T Griekspoor	78	4	4
		J-L Struff	79	6											4	H Hurkacz	66	6	6
		C Eubanks	67	4					J-L Struff	1	4
		D Lajović	62	3				4	H Hurkacz	6	6
	4	H Hurkacz	77	6																		4	H Hurkacz	6	3	77
	7	N Jarry	78	62	6																		U Humbert	4	6	65
		A Mannarino	66	77	4			7	N Jarry	63	64
		U Humbert	6	4	77				U Humbert	77	77
	SE	M Giron	3	6	63											U Humbert	6	2	6
	WC	D Stricker	77	6											WC	D Stricker	4	6	2
	Q	B Hassan	62	2				WC	D Stricker	6	3	77
		A Bublik	65	2				2	C Ruud	4	6	61
	2	C Ruud	77	6

	First round							Qualifying competition
	1	Christopher O'Connell	77	7
		Maxime Cressy	63	5
								1	Christopher O'Connell	77	77
								5	Thiago Seyboth Wild	64	64
		Michael Mmoh	5	6	3
	5	Thiago Seyboth Wild	7	4	6

	First round							Qualifying competition
	Alt	Benjamin Hassan	6	5	77
		Hamad Medjedovic	2	7	63
								Alt	Benjamin Hassan	6	2	6
								6	Dominik Koepfer	2	6	4
	Alt	Sumit Nagal	6	1	63
	6	Dominik Koepfer	3	6	77

	First round							Qualifying competition
	3	Botic van de Zandschulp	6	77
	WC	Mika Brunold	1	65
								3	Botic van de Zandschulp	77	6
								7	Arthur Rinderknech	64	3
	WC	Marc-Andrea Hüsler	4	3
	7	Arthur Rinderknech	6	6

	First round							Qualifying competition
	4	Pedro Cachin	3	6	4
	WC	Rémy Bertola	6	3	6
								WC	Rémy Bertola	3	5
								8	Alexander Shevchenko	6	7
		Fabio Fognini	4	7	0
	8	Alexander Shevchenko	6	5	6

• Main draw
• Qualifying draw