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