Stadium: Court B Round: 14 Ground: Hardcourt outdoor
| Challenger Yokkaichi | 2023/12/01 02:50 | Giovanni Fonio v Marc Polmans | 1-6,7-6,2-6 |
| Challenger Yokkaichi | 2023/11/30 03:20 | Yosuke Watanuki v Giovanni Fonio | 6-3,2-6,5-7 |
| Challenger Yokkaichi | 2023/11/27 04:45 | Giovanni Fonio v Kalin Ivanovski | 4-6,7-6,7-6 |
| Challenger Jokohama | 2023/11/24 04:05 | Yosuke Watanuki v Giovanni Fonio | 3-6,6-2,6-1 |
| Challenger Jokohama | 2023/11/23 05:15 | Giovanni Fonio v Leandro Riedi | 4-6,7-6,6-4 |
| Challenger Jokohama | 2023/11/21 02:45 | August Holmgren v Giovanni Fonio | 4-6,1-6 |
| Challenger Jokohama | 2023/11/20 03:30 | Giovanni Fonio v Colin Sinclair | 3-6,7-5,6-7 |
| Challenger Jokohama | 2023/11/19 05:10 | Giovanni Fonio v Hiroki Moriya | 5-7,6-3,6-4 |
| Challenger Charlottesville | 2023/10/30 17:55 | Christian Langmo v Inaki Montes-De La Torre | 5-7,2-6 |
| Challenger Charlottesville | 2023/10/29 22:05 | Christian Langmo v Keenan Mayo | 6-2,6-4 |
| ITF M15 Las Vegas | 2023/10/17 21:15 | Alexander Razeghi v Christian Langmo | 7-5,6-0 |
| Challenger Fairfield | 2023/10/11 17:00 | Brandon Holt v Christian Langmo | 6-3,5-7,7-6 |
| Challenger Fairfield | 2023/10/10 19:15 | Christian Langmo v Strong Kirchheimer | 6-4,6-4 |
| Challenger Tiburon | 2023/10/01 17:00 | Christian Langmo v Nishesh Basavareddy | 3-6,4-6 |
| Challenger Charleston | 2023/09/24 14:00 | Christian Langmo v Darian King | 6-4,6-7,6-7 |
| Challenger Cary | 2023/09/14 19:00 | Rinky Hijikata v Christian Langmo | 6-4,4-6,6-3 |