Singles
2023 Tampere Open
Final
Champion	Sumit Nagal
Runner-up	Dalibor Svrčina
Score	6–4, 7–5
Events
Singles Doubles
← 2022 · Tampere Open · 2024 →

Zsombor Piros was the defending champion^[1] but lost in the second round to Henri Squire.

Sumit Nagal won the title after defeating Dalibor Svrčina 6–4, 7–5 in the final.

	Semifinals							Final
		Henri Squire	66	1
	5	Dalibor Svrčina	78	6
								5	Dalibor Svrčina	4	5
								7	Sumit Nagal	6	7
		Daniel Rincón	6	3	2
	7	Sumit Nagal	4	6	6

	First round							Second round							Quarterfinals							Semifinals
	1	Z Piros	6	77
		M Echargui	4	65				1	Z Piros	77	4	1
		H Squire	3	7	6				H Squire	63	6	6
	Q	T Kodat	6	5	0											H Squire	7	1	6
	WC	Patrick Kaukovalta	3	63												D Michalski	5	6	3
		D Michalski	6	77					D Michalski	7	5
		M Kaśnikowski	4	0				6	R Bonadio	5	6r
	6	R Bonadio	6	6																			H Squire	66	1
	3	L Klein	6	6																		5	D Svrčina	78	6
		Elmar Ejupovic	3	4				3	L Klein	7	6
		G Fonio	4	66					V Kopřiva	5	1
		V Kopřiva	6	78											3	L Klein	65	1
	Q	R Bertola	6	3	0										5	D Svrčina	77	6
		H Casanova	4	6	6				H Casanova	5	65
		FC Jianu	6	3	3			5	D Svrčina	7	77
	5	D Svrčina	3	6	6

	First round							Second round							Quarterfinals							Semifinals
	8	Edoardo Lavagno	4	3
		N Sánchez Izquierdo	6	6					N Sánchez Izquierdo	1	65
	Q	D Ajduković	1	78	6			Q	D Ajduković	6	77
	Q	V Vacherot	6	66	2										Q	D Ajduković	3	1
		D Rincón	6	3	7											D Rincón	6	6
	Q	L Rottoli	2	6	5				D Rincón	7	6
	Q	E Kırkın	6	5	2			4	K Coppejans	5	4
	4	K Coppejans	3	7	6																		D Rincón	6	3	2
	7	S Nagal	6	6																		7	S Nagal	4	6	6
	WC	J Veselý	4	1				7	S Nagal	6	62	77
		JL Reis da Silva	5	6	6				JL Reis da Silva	3	77	64
		B Hassan	7	4	3										7	S Nagal	6	6
		M Zekić	2	4												A Dougaz	3	3
		A Dougaz	6	6					A Dougaz	6	4
		N Serdarušić	6	3	2			2/WC	C Garín	2	0r
	2/WC	C Garín	1	6	6

• Main draw
• Qualifying draw