2026 Ostra Group Open – Singles

Singles
2026 Ostra Group Open
Champion	Nikolás Sánchez Izquierdo
Runner-up	Zdeněk Kolář
Score	6–4, 7–6(7–4)

Main article: 2026 Ostra Group Open

Zsombor Piros was the defending champion but lost in the second round to Tom Gentzsch.

Nikolás Sánchez Izquierdo won the title after defeating Zdeněk Kolář 6–4, 7–6^(7–4) in the final.

Seeds

1. Dalibor Svrčina (quarterfinals)
2. Jack Pinnington Jones (first round)
3. Zsombor Piros (second round)
4. Toby Samuel (first round)
5. Ugo Blanchet (first round)
6. Zdeněk Kolář (final)
7. Marco Cecchinato (quarterfinals)
8. Vitaliy Sachko (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
	Alt	Nikolás Sánchez Izquierdo	3	6	6
		Tom Gentzsch	6	4	1
								Alt	Nikolás Sánchez Izquierdo	6	77
								6	Zdeněk Kolář	4	64
		Raúl Brancaccio	3	5
	6	Zdeněk Kolář	6	7

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	D Svrčina	66	6	6
		F Gill	78	1	3			1	D Svrčina	6	6
	Q	C Sánchez Jover	2	77	65				F Ferreira Silva	3	4
		F Ferreira Silva	6	65	77										1	D Svrčina	4	7	2
	Alt	N Sánchez Izquierdo	77	6											Alt	N Sánchez Izquierdo	6	5	6
	WC	M Mrva	63	3				Alt	N Sánchez Izquierdo	67	7	6
		L Pavlovic	4	6	4			8	V Sachko	79	5	4
	8	V Sachko	6	2	6																	Alt	N Sánchez Izquierdo	3	6	6
	3	Z Piros	6	6																			T Gentzsch	6	4	1
		M Houkes	4	3				3	Z Piros	4	79	5
		T Gentzsch	6	6					T Gentzsch	6	67	7
		G Loffhagen	3	2												T Gentzsch	6	4	6
	Q	R Molleker	77	6											Q	R Molleker	1	6	3
	Q	D Siniakov	64	0				Q	R Molleker	6	4	6
		H Squire	6	6					H Squire	4	6	3
	5	U Blanchet	2	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	M Cecchinato	6	6
	Alt	D Michalski	3	2				7	M Cecchinato	6	77
	WC	J Jermář	1	3				Q	G Johns	3	63
	Q	G Johns	6	6											7	M Cecchinato	6	4	4
	JR	M Schönhaus	6	3	5											R Brancaccio	4	6	6
		J Clarke	3	6	7				J Clarke	3	4
		R Brancaccio	5	6	6				R Brancaccio	6	6
	4	T Samuel	7	1	4																		R Brancaccio	3	5
	6	Z Kolář	6	2	6																	6	Z Kolář	6	7
	Alt	FC Jianu	3	6	3			6	Z Kolář	6	6
	Q	J Forejtek	64	6	77			Q	J Forejtek	4	3
	WC	H Bartoň	77	1	65										6	Z Kolář	6	6
		T Seyboth Wild	6	65	6											N Fatić	2	3
	Q	N Gombos	3	77	1				T Seyboth Wild	7	5	4
		N Fatić	6	7					N Fatić	5	7	6
	2	J Pinnington Jones	2	5

External links

• Main draw
• Qualifying draw