Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF USA F20 Qual | 2018/07/21 15:00 | Boris Kozlov v Soderlund, Carl | 3-6,1-6 |
| ITF USA F19B Qual | 2018/07/15 15:00 | Perez, Alfredo v Boris Kozlov | 6-3,6-3 |
| ITF USA F19 Qual | 2018/07/01 16:00 | Spec, Matic v Boris Kozlov | 6-2,6-4 |
| ITF USA F18 | 2018/06/25 19:30 | Arconada, Jordi v Boris Kozlov | 6-1,6-3 |
| ITF USA F16 | 2018/06/16 19:00 | Naser, Javier v Boris Kozlov | 6-3,4-6,7-6 |
| ITF USA F12 | 2018/04/22 17:00 | Rowland Phillips v Boris Kozlov | 6-3,6-2 |
| ITF USA F11 | 2018/04/13 13:30 | Boris Kozlov v Ahren Moonga, Eric | 2-6,6-4,4-6 |
| Challenger - Indian Wells - Qualif. | 2018/02/24 18:00 | Boris Kozlov v Marcos Giron | 2-6,0-6 |
| ITF USA F21 Qual | 2018/07/28 17:00 | Matt Kuhar v Cozbinov, Alexander | 4-6,3-6 |
| ITF USA F20 Qual | 2018/07/23 16:50 | Chang, Jonathan v Cozbinov, Alexander | 6-3,6-2 |
| ITF USA F20 Qual | 2018/07/22 15:00 | Huang, Austen v Cozbinov, Alexander | 3-6,2-6 |
| ITF USA F19B Qual | 2018/07/16 17:25 | Lebedev, Alexander v Cozbinov, Alexander | 6-2,6-4 |
| ITF USA F19B Qual | 2018/07/15 15:00 | Kaster, Kaptan v Cozbinov, Alexander | 0-6,3-6 |
| ITF USA F17 Qual | 2018/06/26 15:00 | Spec, Matic v Cozbinov, Alexander | 7-6,6-4 |
| ITF USA F17 Qual | 2018/06/25 17:00 | Allen, Leighton v Cozbinov, Alexander | 3-6,6-7 |
| ITF USA F2 Qual | 2018/01/07 19:00 | Patrick Kypson v Cozbinov, Alexander | 6-4,4-6,6-4 |