| Nonthaburi Challenger | |
|---|---|
 2025 Nonthaburi Challenger III | |
| ATP Challenger Tour | |
| Location | Lawn Tennis Association of Thailand, Nonthaburi, Thailand |
| Category | ATP Challenger Tour |
| Surface | Hard |
| Website | Website |
The Nonthaburi Challenger is a professional tennis tournament played on hard courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It has been held in Nonthaburi province, Thailand since 2022.
| Year | Champion | Runner-up | Score |
|---|---|---|---|
| 2022 (1) |  Valentin Vacherot |  Lý Hoàng Nam | 6–3, 7–6(7–4) |
| 2022 (2) |  Arthur Cazaux |  Omar Jasika | 7–6(8–6), 6–4 |
| 2022 (3) |  Stuart Parker | Arthur Cazaux | 6–4, 4–1 ret. |
| 2023 (1) |  Dennis Novak |  Wu Tung-lin | 6–4, 6–4 |
| 2023 (2) | Arthur Cazaux |  Lloyd Harris | 7–6(7–5), 6–2 |
| 2023 (3) |  Sho Shimabukuro | Arthur Cazaux | 6–2, 7–5 |
| 2024 (1) | Valentin Vacherot | Lucas Pouille | 3–2 ret. |
| 2024 (2) | Valentin Vacherot | Manuel Guinard | 7–5, 7–6(7–4) |
| 2024 (3) |  Matteo Gigante |  Hong Seong-chan | 6–4, 6–1 |
| 2024 (4) [1] | Wu Tung-lin |  Mackenzie McDonald | 6–3, 7–6(7–4) |
| 2025 (1) |  Aslan Karatsev | Grégoire Barrère | 7–6(7–5), 7–5 |
| 2025 (2) | Rio Noguchi |  Cui Jie | 7–6(11–9), 6–2 |
| 2025 (3) | Brandon Holt |  Vít Kopřiva | 6–3, 6–2 |
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The 2022 Nonthaburi Challenger was a professional tennis tournament played on hard courts. It was the 1st edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Nonthaburi, Thailand from 22 to 28 August 2022.
The 2022 Nonthaburi Challenger II was a professional tennis tournament played on hard courts. It was the 2nd edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Nonthaburi, Thailand from 29 August to 4 September 2022.
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The 2023 Nonthaburi Challenger II was a professional tennis tournament played on hard courts. It was the 5th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Nonthaburi, Thailand from 9 to 14 January 2023.
The 2023 Nonthaburi Challenger III was a professional tennis tournament played on hard courts. It was the 6th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Nonthaburi, Thailand from 16 to 22 January 2023.
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