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2025 Nonthaburi Challenger III
Date	13 – 19 January
Edition	13th
Surface	Hard
Location	Nonthaburi, Thailand
Champions
Singles
Brandon Holt
Doubles
Ray Ho / Neil Oberleitner
← 2025 · Nonthaburi Challenger · 2026 →

The 2025 Nonthaburi Challenger III was a professional tennis tournament played on hard courts. It was the 13th edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Nonthaburi, Thailand from 13 to 19 January 2025.

Singles main-draw entrants

Seeds

Country	Player	Rank	Seed
CZE	Vít Kopřiva	125	1
FRA	Hugo Grenier	154	2
MON	Valentin Vacherot	162	3
USA	Zachary Svajda	165	4
JPN	Shintaro Mochizuki	170	5
HKG	Coleman Wong	172	6
GER	Henri Squire	178	7
KAZ	Dmitry Popko	183	8

• Rankings are as of 6 January 2025.

Other entrants

The following players received wildcards into the singles main draw:

• Thanapet Chanta
• Maximus Jones
• Wishaya Trongcharoenchaikul

The following players received entry into the singles main draw as alternates:

• Federico Arnaboldi
• Shintaro Mochizuki
• Wu Tung-lin

The following players received entry from the qualifying draw:

• Rémy Bertola
• Murphy Cassone
• Francesco Maestrelli
• Rio Noguchi
• Sun Fajing
• Clément Tabur

Champions

Singles

• Brandon Holt def. Vít Kopřiva 6–3, 6–2.

Doubles

• Ray Ho / Neil Oberleitner def. Pruchya Isaro / Wang Aoran 6–3, 6–4.

References

1. "Nonthaburi 3 | Overview | ATP Tour | Tennis". ATP Tour.
2. "Rankings | Singles | ATP Tour | Tennis". ATP Tour.

• 2025 in Thai sport
• 2025 ATP Challenger Tour
• January 2025 sports events in Thailand