Men's singles
2023 Slovak Open
Champion	Gabriel Diallo
Runner-up	Joris De Loore
Score	6–0, 7–5

Márton Fucsovics was the defending champion^[1] but chose not to defend his title.

Gabriel Diallo won the title after defeating Joris De Loore 6–0, 7–5 in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Gabriel Diallo	77	6
	Q	Martin Damm	65	2
									Gabriel Diallo	6	7
									Joris De Loore	0	5
		Joris De Loore	7	77
		Luca Nardi	5	65

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	D Thiem	77	6
		V Sachko	65	3				1	D Thiem	1	6	65
		G Diallo	7	6					G Diallo	6	4	77
	SE	A Fery	5	1												G Diallo	3	77	6
		D Prižmić	0	3												L Klein	6	65	2
		L Klein	6	6					L Klein	6	6
		O Virtanen	77	1	6				O Virtanen	4	4
	5	L Broady	65	6	2																		G Diallo	77	6
	LL	A Santillan	3	6	3																	Q	M Damm	65	2
	Q	M Damm	6	3	6			Q	M Damm	6	6
	Q	K Ivanovski	77	6				Q	K Ivanovski	3	4
	Q	P Gojowczyk	63	2											Q	M Damm	6	78
	LL	M Martineau	4	6	6										7	M Cressy	4	66
		J Menšík	6	4	1			LL	M Martineau	64	3
	WC	Lukáš Pokorný	64	3				7	M Cressy	77	6
	7	M Cressy	77	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	A Molčan	7	4	3
		J De Loore	5	6	6				J De Loore	6	6
	SE	B Hassan	6	6				SE	B Hassan	3	4
		S Travaglia	3	2												J De Loore	6	3	77
	Q	D Novak	66	0											Q	I Marchenko	3	6	62
	Q	I Marchenko	78	6				Q	I Marchenko	4	6	7
	WC	N Gombos	6	77				WC	N Gombos	6	3	5
	3	B Bonzi	4	65																			J De Loore	7	77
	6	Z Piros	7	3	6																		L Nardi	5	65
		F Misolic	5	6	3			6	Z Piros	3	1
		G Zeppieri	2	0					D Džumhur	6	6
		D Džumhur	6	6												D Džumhur	3	0
	WC	A Paulson	6	6												L Nardi	6	6
	Q	GA Boitan	4	3				WC	A Paulson	7	4	3
		L Nardi	77	6					L Nardi	5	6	6
	2	D Stricker	64	3

References

External links

• Main draw
• Qualifying draw