Stadion: Court A Round: 19 Ground: Hardcourt outdoor
| Challenger - Tallahassee | 2022/04/18 16:30 | Yunseong Chung v Christian Langmo | 5-7,5-7 |
| Challenger - Nonthaburi | 2024/01/07 07:20 | Yunseong Chung v Congsup Congcar | 7-5,6-1 |
| Challenger - Nonthaburi | 2023/12/31 06:25 | Yunseong Chung v Kaichi Uchida | 4-6,0-6 |
| Challenger - Yokohama | 2023/11/21 07:20 | Yunseong Chung v Luca Nardi | 2-6,4-6 |
| Challenger - Yokohama | 2023/11/20 03:35 | Yasutaka Uchiyama v Yunseong Chung | 6-4,6-7,7-6 |
| Challenger - Yokohama | 2023/11/19 05:25 | Fajing Sun v Yunseong Chung | 4-6,4-6 |
| Challenger - Kobe | 2023/11/14 01:30 | Renta Tokuda v Yunseong Chung | 6-4,1-6,2-6 |
| Challenger - Kobe | 2023/11/13 01:30 | Rio Noguchi v Yunseong Chung | 1-6,4-6 |
| Challenger - Kobe | 2023/11/12 02:25 | Sanhui Shin v Yunseong Chung | 3-6,3-6 |
| Challenger - Nonthaburi | 2024/01/07 08:00 | Alafia Ayeni v Christian Langmo | 4-6,6-3,4-6 |
| Challenger - Nonthaburi | 2024/01/01 03:00 | Christian Langmo v Arthur Weber | 2-6,3-6 |
| Challenger - Nonthaburi | 2023/12/31 03:00 | Giovanni Fonio v Christian Langmo | 3-6,6-3,6-7 |
| 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 |