Stadium: Court 3 Round: 45 Ground: Hardcourt outdoor
| Challenger Las Vegas | 2018/10/22 19:25 | Thanasi Kokkinakis v Cozbinov, Alexander | 7-6,6-1 |
| USA F26, Singles Qualifying | 2018/09/21 21:30 | Chamdani, Adrian v Cozbinov, Alexander | 2-6,7-5,7-5 |
| ITF USA F24 | 2018/09/13 16:30 | Cozbinov, Alexander v Redlicki, Martin | 3-6,2-6 |
| ITF USA F24 | 2018/09/12 16:30 | Ignat, Dragos Constantin v Cozbinov, Alexander | 4-6,0-6 |
| ITF USA F24 | 2018/09/09 18:00 | Kumar, Sameer v Cozbinov, Alexander | 3-6,3-6 |
| ITF USA F24 | 2018/09/08 19:30 | Barretto, Dominic v Cozbinov, Alexander | 1-6,2-6 |
| ITF USA F21 | 2018/08/01 17:45 | Dunbar, Jacob v Cozbinov, Alexander | 6-1,6-4 |
| ITF USA F21 Qual | 2018/07/31 15:00 | Maxime Cressy v Cozbinov, Alexander | 6-4,6-4 |
| ITF USA F31 | 2018/11/15 17:30 | Gijs Brouwer v Stalder, Reese | 6-0,6-2 |
| ITF USA F31 | 2018/11/14 19:40 | Stalder, Reese v Aleksandre Bakshi | 6-7,6-3,6-0 |
| ITF USA F31 | 2018/11/13 15:00 | Stalder, Reese v Ignat, Dragos Constantin | 2-6,7-5,6-3 |
| ITF USA F31 | 2018/11/12 17:30 | Stalder, Reese v Murkel Dellien | 6-2,7-5 |
| ITF USA F25 | 2018/09/15 20:30 | Stalder, Reese v Ventre, Alessandro-Damiano | 6-1,1-6,1-6 |
| ITF USA F19 | 2018/07/07 00:30 | Stalder, Reese v Ryan Peniston | 1-6,3-6 |
| ITF USA F19 | 2018/07/06 23:00 | Stalder, Reese v Ryan Peniston | 1-6,3-5 |
| ITF USA F19 | 2018/07/05 17:30 | Collin Altamirano v Stalder, Reese | 3-6,1-6 |