Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M25 - Bakersfield | 2022/03/16 18:00 | Colin Markes v Alex Michelsen | 2-6,6-4,3-6 |
| ITF M25 - Bakersfield | 2023/03/18 22:50 | Alex Michelsen v Kyle Kang | 2-6,1-6 |
| ITF M25 - Bakersfield | 2023/03/17 18:00 | Alex Michelsen v Naoki Nakagawa | 6-4,6-1 |
| ITF M25 - Bakersfield | 2023/03/16 19:20 | Alex Michelsen v Hudson Rivera | 6-2,6-2 |
| ITF M25 - Bakersfield | 2023/03/16 02:40 | Alex Michelsen v Finn Reynolds | 6-3,6-2 |
| ATP - Indian Wells | 2023/03/07 04:05 | Alex Michelsen v Leandro Riedi | 3-6,7-6,2-6 |
| Challenger - Waco | 2023/03/04 18:30 | Alex Michelsen v Alexandre Muller | 3-6,0-6 |
| Challenger - Waco | 2023/03/03 17:00 | Aleksandar Vukic v Alex Michelsen | 4-6,4-6 |
| Challenger - Waco | 2023/03/01 16:30 | Alex Bolt v Alex Michelsen | 2-6,3-6 |
| ITF M25 - Bakersfield | 2023/03/16 20:15 | Colin Markes v Naoki Nakagawa | 2-6,2-6 |
| ITF M25 - Bakersfield | 2023/03/16 01:30 | Miles Jones v Colin Markes | 6-4,5-7,3-6 |
| ITF M15 - Monastir | 2023/02/11 10:30 | Nicolas Tepmahc v Colin Markes | 6-3,6-3 |
| ITF M15 - Monastir | 2023/02/07 12:30 | Stefanos Sakellaridis v Colin Markes | 5-7,6-2,6-7 |
| ITF M25 - Monastir | 2023/02/02 11:45 | Fajing Sun v Colin Markes | 6-2,6-2 |
| ITF M25 - Monastir | 2023/01/31 10:55 | Colin Markes v Luca Potenza | 2-6,6-4,6-2 |
| ITF M15 - Monastir | 2023/01/27 08:30 | Colin Markes v Stefanos Sakellaridis | 1-6,6-4,4-6 |
| ITF M15 - Monastir | 2023/01/26 08:30 | Colin Markes v John Echeverria | 7-6,7-5 |