Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| Challenger Gatineau | 2018/07/16 16:40 | Bradley Klahn v Bradley Mousley | 7-5,7-6 |
| Challenger Winnipeg | 2018/07/11 21:30 | Michael Mmoh v Bradley Mousley | 6-7,6-4,7-5 |
| Challenger Loughborough | 2018/05/23 09:30 | Emil Ruusuvuori v Bradley Mousley | 6-1,6-4 |
| Challenger Leon | 2018/04/24 21:05 | Bradley Mousley v Dennis Novikov | 3-6,7-5,4-6 |
| Challenger Guadalajara | 2018/04/17 21:50 | Adrian Menendez-Maceiras v Bradley Mousley | 6-7,6-2,7-5 |
| Challenger Mexico City | 2018/04/10 20:00 | Jose Hernandez-Fernandez v Bradley Mousley | 6-2,3-6,6-3 |
| Challenger St Brieuc Qual | 2018/03/24 10:20 | Bradley Mousley v Remi Boutillier | 6-4,6-7,2-6 |
| Challenger Lille | 2018/03/20 13:40 | Yannick Maden v Bradley Mousley | 6-2,6-2 |
| Challenger Gatineau | 2018/07/17 17:15 | Jacob Grills v Alexander Sarkissian | 6-3,7-6 |
| Challenger Winnetka | 2018/07/09 19:20 | Alexander Sarkissian v Kevin King | 6-2,3-6,4-6 |
| ITF USA F13 | 2018/06/14 16:40 | Alexander Sarkissian v Alexander Ritschard | 6-7,0-6 |
| ITF USA F13 | 2018/06/12 16:40 | Alexander Sarkissian v Christian Seraphim | 6-4,6-4 |
| Challenger Puerto Vallarta | 2018/05/02 23:45 | Alexander Sarkissian v Santiago Giraldo | 3-6,6-7 |
| Challenger Puerto Vallarta | 2018/05/02 01:00 | Alexander Sarkissian v Gerardo L Villasenor | 2-6,6-3,6-4 |
| Challenger Leon | 2018/04/27 20:55 | Roberto Quiroz v Alexander Sarkissian | 6-4,7-6 |
| Challenger Leon | 2018/04/25 21:55 | Jose Hernandez-Fernandez v Alexander Sarkissian | 6-7,6-7 |