Stadium: Court 4 Round: 27 Ground: Hardcourt outdoor
| Challenger Binghamton Qual | 2018/07/21 18:55 | Harris, Andrew v Kirkov, Vasil | 6-7,6-3,6-2 |
| ITF USA F23 | 2018/08/15 18:35 | Kirkov, Vasil v Kohen, Alan | 7-5,6-3 |
| ITF USA F22 | 2018/08/08 18:30 | Santiago Rodriguez Taverna v Kirkov, Vasil | 3-6,6-3,6-4 |
| ITF USA F22 Qual | 2018/08/06 13:30 | Kirkov, Vasil v Brymer, Gage | 7-6,6-4 |
| ITF USA F22 Qual | 2018/08/05 14:30 | Kirkov, Vasil v Donarski, Sid | 6-3,6-2 |
| Challenger Binghamton Qual | 2018/07/21 18:55 | Harris, Andrew v Kirkov, Vasil | 6-7,6-3,6-2 |
| Challenger Winnetka Qual | 2018/07/07 15:00 | Kirkov, Vasil v Reinberg, Emil | 5-7,2-6 |
| ITF Canada F5 | 2018/07/04 22:00 | Alexis Galarneau v Kirkov, Vasil | 6-3,5-7,7-5 |
| ITF Canada F4 | 2018/06/26 17:00 | Boulais, Justin v Kirkov, Vasil | 6-4,6-4 |
| ITF USA F23 | 2018/08/16 18:10 | Geller, Axel v Harris, Andrew | 4-6,4-6 |
| ITF USA F23 | 2018/08/15 14:00 | Bryde, Trent v Harris, Andrew | 4-6,7-6,4-6 |
| Challenger Lexington | 2018/08/03 00:45 | Harris, Andrew v Jay Clarke | 3-6,3-6 |
| Challenger Lexington | 2018/07/31 16:50 | Torpegaard, Mikael v Harris, Andrew | 6-7,6-7 |
| Binghamton, USA | 2018/07/26 19:25 | Lloyd Harris v Harris, Andrew | 6-3,6-3 |
| Challenger Binghamton Qual | 2018/07/23 17:35 | Harris, Andrew v Keegan Smith | 6-4,7-5 |
| Challenger Binghamton Qual | 2018/07/22 18:30 | Harris, Andrew v Montero, Jorge | 6-3,6-4 |
| Challenger Binghamton Qual | 2018/07/21 18:55 | Harris, Andrew v Kirkov, Vasil | 6-7,6-3,6-2 |