Nonthaburi challenger · ATP
Nonthaburi challenger 2026
ChallengerHardNonthaburi, Thailand4 January – 10 January 2026Prize money: 63,000 USD49 matchesAltitude: 3 mCourt: Slow
Champion Rio Noguchi · Final:
Final rounds
| Final | Rio Noguchi vs Marek Gengel | 6-3 6-4 |
| Semifinal | Marek Gengel vs Zdenek Kolar | 6-2 7-5 |
| Semifinal | Rio Noguchi vs Joel Schwaerzler | 6-2 6-2 |
| Quarterfinal | Marek Gengel vs Sergey Fomin | 6-1 6-4 |
| Quarterfinal | Rio Noguchi vs Marat (2002) Sharipov | 6-4 6-4 |
| Quarterfinal | Zdenek Kolar vs Tibo Colson | 7-5 3-6 6-1 |
| Quarterfinal | Joel Schwaerzler vs Lorenzo Giustino | w/o |
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