2023 Zug Open – Singles

Dominic Stricker was the defending champion^[1] but lost in the first round to Joris De Loore.

Singles
2023 Zug Open
Champion	Arthur Rinderknech
Runner-up	Joris De Loore
Score	3–6, 6–3, 6–4

Main article: 2023 Zug Open

Arthur Rinderknech won the title after defeating De Loore 3–6, 6–3, 6–4 in the final.^[2]

Seeds

1. Arthur Rinderknech (champion)
2. Dominic Stricker (first round)
3. Jurij Rodionov (semifinals)
4. Fabio Fognini (semifinals)
5. Otto Virtanen (second round)
6. Harold Mayot (second round)
7. Alexander Ritschard (second round)
8. Dimitar Kuzmanov (second round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
	1	Arthur Rinderknech	4	7	6
	3	Jurij Rodionov	6	5	2
								1	Arthur Rinderknech	3	6	6
									Joris De Loore	6	3	4
	4	Fabio Fognini	63	1
		Joris De Loore	77	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	A Rinderknech	77	6
	Q	G Ferrari	63	3				1	A Rinderknech	4	6	6
	WC	M Brunold	3	2					S Travaglia	6	4	3
		S Travaglia	6	6											1	A Rinderknech	6	6
	Alt	M Pucinelli de Almeida	2	4												A Andreev	2	2
		A Andreev	6	6					A Andreev	77	1	6
		F Ferreira Silva	6	4	2			6	H Mayot	65	6	4
	6	H Mayot	4	6	6																	1	A Rinderknech	4	7	6
	3	J Rodionov	6	7																		3	J Rodionov	6	5	2
		H Medjedovic	3	5				3	J Rodionov	6	6
	Q	R Bertola	2	3					DN Mădăraș	2	4
		DN Mădăraș	6	6											3	J Rodionov	6	7
		M Neuchrist	4	4												Z Bergs	3	5
		Z Bergs	6	6					Z Bergs	2	79	6
	Q	E Kırkın	63	4				5	O Virtanen	6	67	3
	5	O Virtanen	77	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	A Ritschard	6	6
	Q	T Handel	2	1				7	A Ritschard	4	4
		J Menšík	6	6					J Menšík	6	6
		S Rodríguez Taverna	4	3												J Menšík	4	2
	Alt	A Dougaz	6	6											4	F Fognini	6	6
		J Sels	3	4				Alt	A Dougaz	6	65	0
	WC	K Feldbausch	4	2				4	F Fognini	1	77	6
	4	F Fognini	6	6																		4	F Fognini	63	1
	8	D Kuzmanov	6	6																			J De Loore	77	6
	Q	Dylan Dietrich	2	1				8	D Kuzmanov	4	65
		D Svrčina	1	77	3			WC	M Gigante	6	77
	WC	M Gigante	6	62	6										WC	M Gigante	6	65	4
	Q	M Guinard	3	7	66											J De Loore	3	77	6
		G Blancaneaux	6	5	78				G Blancaneaux	65	77	3
		J De Loore	4	7	6				J De Loore	77	64	6
	2	D Stricker	6	5	3