The 2026 Nonthaburi Challenger II was a professional tennis tournament played on hard courts. It was the 15th edition of the tournament which was part of the 2026 ATP Challenger Tour. It took place in Nonthaburi, Thailand from 12 to 17 January 2026.
Singles main-draw entrants Seeds Country Player Rank1 SeedRio Noguchi2271Timofey Skatov2352Zhou Yi2483Daniel Michalski2494Kaichi Uchida2515Joel Schwärzler2546Andres Martin2697Sun Fajing2748 1 Rankings are as of 5 January 2026.
Other entrants The following players received wildcards into the singles main draw: Maximus Jones Kasidit Samrej Wishaya Trongcharoenchaikul
The following player received entry into the singles main draw using a protected ranking: Jason Jung
The following players received entry from the qualifying draw: Chung Hyeon Marek Gengel Philip Henning Christian Langmo Neil Oberleitner Yasutaka Uchiyama
The following player received entry as a lucky loser: Andre Ilagan
Champions Singles
Pol Martín Tiffon def. Maximus Jones 6–4, 3–6, 6–4.
Doubles
Sriram Balaji / Neil Oberleitner def. Anirudh Chandrasekar / Takeru Yuzuki 6–3, 7–6(8–6).
References