Stadium: Court 1 Round: 14 Ground: Hardcourt indoor
| Challenger Knoxville | 2023/11/07 23:15 | Aidan Mchugh v Alexander Cozbinov | 3-6,7-5,6-3 |
| Challenger Knoxville | 2023/11/06 20:10 | Evgeny Karlovskiy v Alexander Cozbinov | 6-4,7-6 |
| Challenger Knoxville | 2023/11/06 00:50 | Ezekiel Clark v Alexander Cozbinov | 1-6,2-6 |
| Challenger Charlottesville | 2023/10/29 14:00 | Dylan Dietrich v Alexander Cozbinov | 6-4,6-7,6-3 |
| ITF M15 Las Vegas | 2023/10/18 20:25 | Alexander Cozbinov v Shunsuke Mitsui | 2-6,4-6 |
| Challenger Fairfield | 2023/10/08 17:00 | Stefan Dostanic v Alexander Cozbinov | 7-6,6-1 |
| Challenger Tiburon | 2023/10/02 17:00 | Garrett Johns v Alexander Cozbinov | 6-4,1-6,6-1 |
| Challenger Tiburon | 2023/10/01 17:00 | Alexander Cozbinov v August Holmgren | 6-3,6-4 |
| ITF M15 Champaign | 2023/09/13 18:00 | William Mroz Mroz v David Saye | 2-6,6-0,4-6 |
| ITF M25 Decatur | 2023/08/01 20:00 | William Mroz Mroz v Fabien Salle | 6-4,4-6,6-10 |
| UTR Pro Tennis Series Florida | 2021/08/17 14:30 | Theo Winegar v William Mroz Mroz | 2-6,6-3,6-0 |
| UTR Pro Tennis Series Florida | 2021/08/16 17:30 | William Mroz Mroz v Matthew Segura | 4-6,7-5,3-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/16 15:30 | William Mroz Mroz v Chen Dong | 2-6,2-6 |
| UTR Pro Tennis Series Atlanta | 2021/07/15 18:00 | William Mroz Mroz v Gonzalo Villanueva | 3-6,4-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/14 19:30 | William Mroz Mroz v Vazha Shubladze | 6-2,5-1 |
| UTR Pro Tennis Series Atlanta | 2021/07/11 20:45 | Ivan Yatsuk v William Mroz Mroz | 3-6,7-6,4-5 |