Stadium: Court 5 Round: 25 Ground: Clay
| ITF USA F6 | 2018/01/27 14:00 | Dustin Goldenberg v Boris Kozlov | 1-6,0-6 |
| ITF USA F5 | 2018/01/21 16:00 | Ty Trombetta v Boris Kozlov | 7-5,6-2 |
| ITF USA F5 | 2018/01/20 17:00 | Leonardo Du Plooy v Boris Kozlov | 1-6,2-6 |
| ITF USA F3 Qual | 2018/01/07 16:00 | Evan Bynoe v Boris Kozlov | 6-4,6-4 |
| Challenger Las Vegas Qual | 2017/10/14 18:40 | Boris Kozlov v Hans Hach Verdugo | 2-6,3-6 |
| Challenger Stockton Qual | 2017/09/30 17:00 | Boris Kozlov v Alexios Halebian | 6-4,0-6,5-7 |
| Challenger Cary Qual | 2017/09/09 18:00 | Blaine Boyden v Boris Kozlov | 6-1,1-6,6-3 |
| ITF USA F24 Qual | 2017/07/15 14:00 | Alessandro-D Ventre v Boris Kozlov | 6-4,6-3 |
| ITF USA F5 | 2018/01/19 13:00 | Gabriel Ciro Da Silva v Rowland Phillips | 2-6,5-7 |
| ITF USA F4 | 2018/01/14 18:00 | Florian Lakat v Gabriel Ciro Da Silva | 6-1,6-2 |
| ITF USA F4 | 2018/01/14 13:30 | Gabriel Ciro Da Silva v Dustin Goldenberg | 6-2,6-1 |
| ITF USA F3 Qual | 2018/01/06 16:00 | Alex Hernandez v Gabriel Ciro Da Silva | 6-1,4-6,6-1 |
| ITF Brazil F4 | 2017/11/26 13:00 | Gabriel Ciro Da Silva v Igor Gimenez | 4-6,6-3,3-6 |
| ITF Brazil F3 | 2017/11/20 22:40 | Bernardo Saraiva v Gabriel Ciro Da Silva | 6-2,6-3 |
| ITF Brazil F2 | 2017/11/14 16:10 | Gabriel Ciro Da Silva v Oscar Jose Gutierrez | 6-4,6-7,2-6 |
| ITF Brazil F2 | 2017/11/12 13:00 | Gabriel Ciro Da Silva v Enrico dos Santos Lima | 6-2,6-1 |