2023 BMW Open – Singles

Singles
2023 BMW Open
Champion	Holger Rune
Runner-up	Botic van de Zandschulp
Score	6–4, 1–6, 7–6(7–3)
Draw	28 (4 Q / 3 WC )
Seeds	8

Defending champion Holger Rune defeated Botic van de Zandschulp in a rematch of the previous year's final,^[1] 6–4, 1–6, 7–6^(7–3) to win the singles tennis title at the 2023 Bavarian International Tennis Championships. In the third set of the final, Rune recovered from being a double-break down and saved four championship points en route to victory.^[2]

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

	Semifinals							Final
	1	Holger Rune	6	6
		Christopher O'Connell	3	2
								1	Holger Rune	6	1	77
								4	Botic van de Zandschulp	4	6	63
	4	Botic van de Zandschulp	6	77
	2	Taylor Fritz	4	62

	First round							Second round							Quarterfinals							Semifinals
								1	H Rune	6	6
		T Monteiro	77	65	2			WC	Y Hanfmann	3	4
	WC	Y Hanfmann	63	77	6										1	H Rune	6	6
		C Garín	6	6												C Garín	2	4
	Q	M Topo	4	2					C Garín	6	77
		Q Halys	6	65	5			6	L Sonego	3	63
	6	L Sonego	3	77	7																	1	H Rune	6	6
																							C O'Connell	3	2
								3	A Zverev	62	4
		C O'Connell	6	6					C O'Connell	77	6
		U Humbert	4	4												C O'Connell	77	4	6
	Q	F Cobolli	7	6											Q	F Cobolli	65	6	3
		J Thompson	5	1				Q	F Cobolli	6	3	6
		O Otte	6	7					O Otte	0	6	3
	5	S Báez	3	5

	First round							Second round							Quarterfinals							Semifinals
	7	R Carballés Baena	1	7	2
		M Giron	6	5	6				M Giron	4	6	6
	Q	A Ritschard	7	7				Q	A Ritschard	6	3	3
		J-L Struff	5	5												M Giron	65	3
	Q	A Karatsev	4	77	6										4	B van de Zandschulp	77	6
	WC	D Altmaier	6	62	2			Q	A Karatsev	2	0
								4	B van de Zandschulp	6	6
																						4	B van de Zandschulp	6	77
	8	M-A Hüsler	77	4	6																	2	T Fritz	4	62
	PR	K Edmund	63	6	3			8	M-A Hüsler	7	4	4
		D Thiem	6	0					D Thiem	5	6	6
		C Lestienne	3	0r												D Thiem	3	4
		M Fucsovics	4	78	6										2	T Fritz	6	6
	WC	MH Rehberg	6	66	3				M Fucsovics	6	3	3
								2	T Fritz	4	6	6

	First round							Qualifying competition
	1	Aslan Karatsev	6	3	6
		Robin Haase	2	6	0
								1	Aslan Karatsev	6	6
									Louis Wessels	2	2
		Louis Wessels	6	3	6
	8	Daniel Masur	3	6	3

	First round							Qualifying competition
	2	Vít Kopřiva	63	6	77
		Álvaro López San Martín	77	3	63
								2	Vít Kopřiva	4	6	3
								WC	Marko Topo	6	4	6
	WC	Marko Topo	6	6
	7	Shintaro Mochizuki	3	4

	First round							Qualifying competition
	3	Riccardo Bonadio	5	6	6
	WC	Philip Florig	7	3	3
								3	Riccardo Bonadio
								6	Alexander Ritschard	w/o
		Alexey Vatutin	7	4	5
	6	Alexander Ritschard	5	6	7

	First round							Qualifying competition
	4	Zdeněk Kolář	6	65	6
		Viktor Durasovic	4	77	3
								4	Zdeněk Kolář	2	2
								5	Flavio Cobolli	6	6
		Lukáš Rosol	1	2
	5	Flavio Cobolli	6	6

• Main draw
• Qualifying draw