Stadium: Central Round: 26 Ground: Hardcourt outdoor
| Challenger Winnipeg | 2018/07/11 23:35 | Peter Polansky v Pavel Krainik | 7-6,7-6 |
| Challenger Gatineau | 2018/07/17 22:00 | Peter Polansky v Ricardo Rodriguez-Pace | 7-6,6-7,7-5 |
| Challenger Winnipeg | 2018/07/12 18:40 | Peter Polansky v Lucas Miedler | 6-7,7-5,1-6 |
| Challenger Winnipeg | 2018/07/11 23:35 | Peter Polansky v Pavel Krainik | 7-6,7-6 |
| Wimbledon | 2018/07/02 10:30 | Peter Polansky v Dennis Novak | 2-6,3-6,6-7 |
| Wimbledon Qual | 2018/06/28 10:00 | Peter Polansky v Jason Kubler | 6-7,3-6,7-6,4-6 |
| Wimbledon Qual | 2018/06/26 15:20 | Peter Polansky v Alejandro Davidovich Fokina | 7-5,6-2 |
| Wimbledon Qual | 2018/06/25 12:00 | Peter Polansky v Tsung-Hua Yang | 4-6,6-3,6-2 |
| Challenger Ilkley | 2018/06/22 10:00 | Peter Polansky v Jason Kubler | 6-3,6-7,2-6 |
| Challenger Gatineau | 2018/07/18 01:30 | Pavel Krainik v Samuel Monette | 4-6,6-4,6-4 |
| Challenger Winnipeg | 2018/07/11 23:35 | Peter Polansky v Pavel Krainik | 7-6,7-6 |
| ITF USA F18 | 2018/06/27 19:35 | Pavel Krainik v Charles Broom | 4-6,3-6 |
| ITF USA F16 | 2018/06/20 18:45 | Cannon Kingsley v Pavel Krainik | 6-7,6-2,6-2 |
| ITF USA F14 | 2018/06/15 16:00 | Lucas Gomez v Pavel Krainik | 7-5,4-6,7-5 |
| ITF USA F14 | 2018/06/14 16:00 | Maksim Tikhomirov v Pavel Krainik | 3-6,7-6,6-7 |
| ITF USA F14 | 2018/06/13 17:00 | Eliot Spizzirri v Pavel Krainik | 4-6,6-1,2-6 |
| ITF Mexico F3 | 2018/05/24 18:30 | Jose Olivares v Pavel Krainik | 6-3,1-6,5-7 |