Stadium: Bud Koffman Center Court Round: 45
| Challenger Winnipeg | 2018/07/10 16:20 | Andrew Harris v Marcel Granollers | 3-6,4-6 |
| ITF USA F19 | 2018/07/07 15:30 | Aleksandar Vukic v Andrew Harris | 6-2,6-4 |
| ITF USA F19 | 2018/07/06 15:00 | Brandon Holt v Andrew Harris | 0-6,0-6 |
| ITF USA F19 | 2018/07/05 15:40 | Jordi Arconada v Andrew Harris | 4-6,2-6 |
| ITF USA F19 | 2018/07/04 16:20 | Roy Smith v Andrew Harris | 5-7,1-6 |
| Challenger Guadalajara Qual | 2018/04/14 22:10 | Andrew Harris v Brydan Klein | 2-6,7-5,6-7 |
| ITF Australia F4 | 2018/03/30 03:00 | Andrew Harris v James Frawley | 7-5,6-4 |
| ITF Australia F4 | 2018/03/29 00:00 | Andrew Harris v Michael Look | 6-4,6-4 |
| Challenger Winnetka Qual | 2018/07/07 15:00 | Vasil Kirkov v Emil Reinberg | 5-7,2-6 |
| ITF Canada F5 | 2018/07/04 22:00 | Alexis Galarneau v Vasil Kirkov | 6-3,5-7,7-5 |
| ITF Canada F4 | 2018/06/26 17:00 | Justin Boulais v Vasil Kirkov | 6-4,6-4 |
| ITF Canada F3 | 2018/06/21 16:00 | Ricardo Rodriguez-Pace v Vasil Kirkov | 6-4,6-3 |
| ITF Canada F3 | 2018/06/19 16:00 | Justin Boulais v Vasil Kirkov | 6-2,3-6,4-6 |
| ITF Tunisia F21 | 2018/06/03 09:00 | Moez Echargui v Vasil Kirkov | 6-4,6-3 |
| ITF Tunisia F21 | 2018/06/02 09:00 | Gabriel Petit v Vasil Kirkov | 1-6,2-6 |
| ITF Tunisia F21 | 2018/06/01 08:55 | Calin Manda v Vasil Kirkov | 6-2,6-7,0-6 |