2026 Nonthaburi Challenger – Singles

Singles
2026 Nonthaburi Challenger
2025 Champion	Brandon Holt
Events
Singles Doubles
←  2025  · Nonthaburi Challenger ·  2026  →

Main article: 2026 Nonthaburi Challenger

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

Seeds

1. Zdeněk Kolář
2. Lorenzo Giustino (quarterfinals, withdrew)
3. Rio Noguchi
4. Rodrigo Pacheco Méndez (first round)
5. Kaichi Uchida (second round)
6. Joel Schwärzler
7. Andres Martin (first round)
8. Sun Fajing (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

Zdeněk Kolář

Marek Gengel

3

Rio Noguchi

6

Joel Schwärzler

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	Z Kolář	7	7
	LL	A Weber	5	5				1	Z Kolář	7	6
	WC	K Samrej	6	6				WC	K Samrej	5	4
	Q	Hikaru Shiraishi	3	4											1	Z Kolář	7	3	6
		M Jones	4	4											Q	T Colson	5	6	1
	Q	T Colson	6	6				Q	T Colson	77	3	6
	Q	Hayato Matsuoka	2	6	2			8	F Sun	65	6	2
	8	F Sun	6	2	6																	1	Z Kolář
	4	R Pacheco Méndez	7	4	5																		M Gengel
		R Bertrand	5	6	7				R Bertrand	3	4
		S Fomin	7	3	7				S Fomin	6	6
		Renta Tokuda	5	6	5											S Fomin	1	4
		Y Shimizu	3	77	6											M Gengel	6	6
	Q	T Ichikawa	6	63	4				Y Shimizu	6	1	4
		M Gengel	6	6					M Gengel	3	6	6
	7	A Martin	2	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	K Uchida	6	5	6
		C Denolly	2	7	3			5	K Uchida	1	2
	Q	Koki Matsuda	3	62					M Sharipov	6	6
		M Sharipov	6	77												M Sharipov	4	4
	WC	Pawit Sornlaksup	1	1											3	R Noguchi	6	6
		T-l Wu	6	6					T-l Wu	6	2	4
		Shin San-hui	1	4				3	R Noguchi	3	6	6
	3	R Noguchi	6	6																		3	R Noguchi
	6	J Schwärzler	6	4	77																	6	J Schwärzler
	Q	H Moriya	3	6	65			6	J Schwärzler	3	6	6
		H Chung	6	65	3				F Bax	6	4	0
		F Bax	3	77	6										6	J Schwärzler	w/o
	WC	W Trongcharoenchaikul	3	6	2										2	L Giustino
		A Santillan	6	4	6				A Santillan	4	5
		Matthew Dellavedova	4	2				2	L Giustino	6	7
	2	L Giustino	6	6

References

1. Heer, Florian (January 19, 2025). "Holt Hoists Maiden Challenger Trophy At Bangkok Open".

External links

• Main draw
• Qualifying draw