Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| 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 M25 Monastir | 2023/11/08 12:35 | Leo Deflandre v Luca Matteo Sobbe | 6-4,7-6 |
| ITF M25 Monastir | 2023/11/07 08:30 | Frederic Schlossmann v Luca Matteo Sobbe | 6-1,3-6,8-10 |
| ITF M25 Monastir | 2023/11/06 09:55 | Leonardo Iemmi v Luca Matteo Sobbe | 4-6,1-6 |
| ITF M25 Monastir | 2023/11/05 10:30 | Ryusuke Horiuchi v Luca Matteo Sobbe | 1-6,1-6 |
| ITF M15 Buschhausen | 2023/09/11 14:30 | Yvo Panak v Luca Matteo Sobbe | 7-5,6-4 |
| ITF M15 Buschhausen | 2023/09/11 08:00 | Luca Matteo Sobbe v Matteo Lavizzari | 6-0,6-1 |
| ITF M25 Oldenzaal | 2023/08/31 11:25 | Luca Matteo Sobbe v Mats Rosenkranz | 2-6,5-7 |
| ITF M25 Oldenzaal | 2023/08/30 15:20 | Luca Matteo Sobbe v Ruben Hartig | 4-6,6-1,7-6 |