Ground: Hardcourt outdoor
| Challenger Knoxville | 2024/11/05 22:50 | Patrick Kypson v Alexander Kotzen | 3-6,6-3,7-6 |
| Challenger Knoxville | 2024/11/04 19:00 | Naoki Nakagawa v Alexander Kotzen | 3-6,6-7 |
| Challenger Knoxville | 2024/11/03 21:15 | Alexander Kotzen v Aidan Mchugh | 7-6,7-6 |
| ITF M15 Ann Arbor | 2024/10/02 16:30 | Felix Corwin v Alexander Kotzen | 7-5,0-6,6-1 |
| UTR Pro Knoxville | 2024/09/07 14:00 | Ezekiel Clark v Alexander Kotzen | 7-5,6-3 |
| UTR Pro Knoxville | 2024/09/05 12:30 | Alexander Kotzen v Billy Suarez | 3-0 |
| UTR Pro Knoxville | 2024/09/04 14:00 | Alexander Kotzen v Jeremy Zhang | 6-2,6-1 |
| UTR Pro Knoxville | 2024/09/03 14:00 | Alexander Kotzen v Alejandro Moreno | 6-1,3-6,7-5 |
| ITF M25 Bali | 2025/01/02 02:30 | Antoine Escoffier v Leo Vithoontien | 6-2,6-4 |
| ITF M25 Bali | 2025/01/01 04:30 | Xing Dao Chen v Leo Vithoontien | 5-7,2-6 |
| ITF M15 Tallahassee | 2024/11/23 19:00 | Jack Anthrop v Leo Vithoontien | 5-7,6-1,6-2 |
| ITF M15 Tallahassee | 2024/11/22 17:00 | Leo Vithoontien v Robin Catry | 6-2,7-6 |
| ITF M15 Tallahassee | 2024/11/21 16:55 | Leo Vithoontien v Ricardo Rodriguez-Pace | 6-3,6-2 |
| ITF M15 Tallahassee | 2024/11/20 18:25 | Leo Vithoontien v Zachary Viiala | 6-4,7-5 |
| Challenger Drummondville | 2024/11/10 15:00 | Leo Vithoontien v Justin Boulais | 2-6,1-6 |
| ITF M15 Guatemala | 2024/11/08 16:30 | Leo Vithoontien v Leo Raquin | 2-6,2-6 |