Stadium: Court 1 Round: 46
| Challenger Binghamton Qual | 2018/07/21 13:00 | Antoine Escoffier v Carlos E. Severino | 6-2,6-4 |
| Challenger Gatineau Qual | 2018/07/15 17:25 | Aleksandar Vukic v Antoine Escoffier | 4-6,6-0,7-6 |
| Challenger Gatineau Qual | 2018/07/14 18:05 | Shintaro Imai v Antoine Escoffier | 4-6,6-3,1-6 |
| Challenger Winnipeg | 2018/07/12 17:45 | Marc-Andrea Huesler v Antoine Escoffier | 6-4,7-6 |
| Challenger Winnipeg | 2018/07/10 15:00 | Antoine Escoffier v Joao Menezes | 1-6,6-2,7-6 |
| Challenger Recanati Qual | 2018/07/02 11:40 | Andres Artunedo Martinavarr v Antoine Escoffier | 6-4,6-3 |
| Challenger Recanati Qual | 2018/07/01 10:05 | Zihao Xia v Antoine Escoffier | 2-6,3-6 |
| Challenger Recanati Qual | 2018/06/30 09:40 | Antoine Escoffier v Yannick Jankovits | 6-3,6-3 |
| Challenger Binghamton Qual | 2018/07/21 13:00 | Sam Riffice v Alexios Halebian | 6-3,6-7,6-1 |
| Challenger Winnetka Qual | 2018/07/07 15:00 | Sam Riffice v Collin Altamirano | 6-7,6-3,4-6 |
| ITF USA F17 | 2018/07/01 15:30 | Marc-Andrea Huesler v Sam Riffice | 6-4,6-2 |
| ITF USA F17 | 2018/06/30 15:00 | Sam Riffice v Emil Reinberg | 6-0,6-3 |
| ITF USA F17 | 2018/06/29 18:00 | Sam Riffice v Mikael Torpegaard | 7-5,6-1 |
| ITF USA F17 | 2018/06/28 15:00 | Henry Craig v Sam Riffice | 4-6,6-2,2-6 |
| ITF USA F15 | 2018/06/22 16:00 | Sam Riffice v Henry Craig | 5-7,5-7 |
| ITF USA F15 | 2018/06/21 15:45 | Ryan Peniston v Sam Riffice | 1-6,5-7 |