stadio: Court 3 Round: 25 Ground: Hardcourt outdoor
| Challenger Gatineau - Qual. | 2018/07/16 14:00 | Patrick Kypson v Jacob Grills | 3-6,1-6 |
| Challenger Gatineau - Qual. | 2018/07/15 16:40 | Jacob Grills v Makoto Ochi | 1-6,7-5,6-1 |
| Challenger Gatineau - Qual. | 2018/07/14 21:55 | Jacob Grills v Jumpei Yamasaki | 6-3,6-1 |
| Challenger Winnipeg - Qual. | 2018/07/08 23:15 | Jack Mingjie Lin v Jacob Grills | 6-4,6-0 |
| Challenger Winnipeg - Qual. | 2018/07/08 20:05 | Nicaise Muamba v Jacob Grills | 6-7,0-6 |
| ITF Canada F5 | 2018/07/07 18:50 | Jacob Grills v William Griffith | 6-2,4-6,4-6 |
| ITF Canada F5 | 2018/07/06 17:00 | Marc-Andrea Huesler v Jacob Grills | 6-3,0-6,5-7 |
| ITF Canada F5 | 2018/07/05 20:45 | Justin Boulais v Jacob Grills | 7-5,1-6,3-6 |
| 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 |
| Challenger Guadalajara | 2018/04/19 21:00 | Marcelo Arevalo v Alexander Sarkissian | 6-3,6-3 |