Stadium: Court B Round: 28 Ground: Hardcourt outdoor
| Challenger Nonthaburi | 2023/01/10 03:00 | Giovanni Fonio v Arthur Cazaux | 4-6,4-6 |
| Challenger Nonthaburi | 2023/01/19 04:55 | Giovanni Fonio v Benjamin Hassan | 6-7,6-4,6-2 |
| Challenger Nonthaburi | 2023/01/17 05:15 | Giovanni Fonio v Denis Yevseyev | 6-2,7-5 |
| Challenger Nonthaburi | 2023/01/16 06:15 | Jakub Mensik v Giovanni Fonio | 6-3,6-1 |
| Challenger Nonthaburi | 2023/01/15 08:25 | Ji Sung Nam v Giovanni Fonio | 6-4,4-6,2-6 |
| Challenger Nonthaburi | 2023/01/10 03:00 | Giovanni Fonio v Arthur Cazaux | 4-6,4-6 |
| Challenger Nonthaburi | 2023/01/09 03:00 | Yuta Shimizu v Giovanni Fonio | 6-4,2-6,5-7 |
| Challenger Nonthaburi | 2023/01/08 03:00 | Giovanni Fonio v Akira Santillan | 5-7,6-3,6-3 |
| Challenger Nonthaburi | 2023/01/04 04:30 | Giovanni Fonio v Dennis Novak | 2-6,1-6 |
| Challenger Nonthaburi | 2023/01/20 06:10 | Tennys Sandgren v Arthur Cazaux | 6-7,4-6 |
| Challenger Nonthaburi | 2023/01/19 03:30 | Arthur Cazaux v Jakub Mensik | 6-3,6-0 |
| Challenger Nonthaburi | 2023/01/17 03:00 | Arthur Cazaux v Stuart Parker | 7-6,6-4 |
| Challenger Nonthaburi | 2023/01/16 03:00 | Federico Gaio v Arthur Cazaux | 6-7,4-6 |
| Challenger Nonthaburi | 2023/01/15 03:00 | Jason Jung v Arthur Cazaux | 3-6,4-6 |
| Challenger Nonthaburi | 2023/01/14 03:30 | Arthur Cazaux v Lloyd Harris | 7-6,6-2 |
| Challenger Nonthaburi | 2023/01/13 03:30 | Dennis Novak v Arthur Cazaux | 4-6,6-4,2-6 |
| Challenger Nonthaburi | 2023/01/12 03:30 | Arthur Cazaux v Tennys Sandgren | 6-3,6-3 |