Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Laval | 2023/07/11 14:15 | Preston Brown v Justin Roberts | 6-3,7-6 |
| Challenger Santa Fe | 2023/07/03 16:25 | Pedro Boscardin Dias v Preston Brown | 7-6,6-3 |
| Challenger Medellin | 2023/06/26 21:30 | Aidan Mayo v Preston Brown | 7-5,6-3 |
| Challenger Medellin | 2023/06/26 18:25 | Preston Brown v Alejandro H Franco | 6-1,6-4 |
| ITF M15 South Bend | 2023/06/21 20:20 | Aidan Kim v Preston Brown | 6-2,6-2 |
| ITF M15 Karuizawa | 2023/06/01 03:20 | Preston Brown v Tatsuma Ito | 3-6,0-6 |
| ITF M15 Karuizawa | 2023/05/31 04:15 | Jesse Delaney v Preston Brown | 2-6,2-6 |
| ITF M15 Tabasco | 2023/05/24 18:05 | Preston Brown v Ezekiel Clark | 6-3,3-6,0-6 |
| ITF M25 Laval | 2023/07/11 14:15 | Alexandre Bergeron v Alexander Cozbinov | 2-6,1-6 |
| Challenger Bloomfield Hills | 2023/07/03 15:15 | Alexander Cozbinov v Ernesto Escobedo | 6-7,6-4,1-6 |
| Davis Cup | 2023/06/16 08:35 | Liam Delicata v Alexander Cozbinov | 6-3,3-6,0-6 |
| Davis Cup | 2023/06/15 10:00 | Kalin Ivanovski v Alexander Cozbinov | 5-7,2-5 |
| Davis Cup | 2023/06/14 09:25 | Menelaos Efstathiou v Alexander Cozbinov | 6-7,7-5,2-6 |
| ITF M15 Monastir | 2023/06/09 08:30 | Ryuki Matsuda v Alexander Cozbinov | 2-6,7-5,6-3 |
| ITF M15 Monastir | 2023/06/08 10:55 | Kalman Boyd v Alexander Cozbinov | 3-6,4-6 |
| ITF M15 Monastir | 2023/06/07 10:05 | Sean Hodkin v Alexander Cozbinov | 1-6,7-5,5-7 |