Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF Canada F4 | 2018/06/26 17:00 | Maginley, J. v Verbeek, Sem | 6-7,1-6 |
| ITF Canada F4 Qual | 2018/06/25 18:35 | Maginley, J. v Ortiz, Adrian | 5-7,3-6 |
| ITF Canada F3 | 2018/06/21 17:55 | Maginley, J. v Monette, Samuel | 4-6,2-6 |
| ITF Canada F3 | 2018/06/19 20:20 | Du Toit, Riaan v Maginley, J. | 3-6,3-6 |
| Coupe Davis | 2018/06/02 16:10 | Chevez, Jorge Daniel v Maginley, J. | 3-6,4-6 |
| Coupe Davis | 2018/05/31 16:05 | Bendeck, Jaime v Maginley, J. | 0-6,1-6 |
| Coupe Davis | 2018/05/30 16:05 | Rowland Phillips v Maginley, J. | 5-7,2-6 |
| Coupe Davis | 2018/05/29 16:25 | Newman, Baker v Maginley, J. | 7-5,7-5 |
| ITF Singapore F3 | 2018/05/31 06:15 | Banes, Maverick v Grills, Jacob | 6-1,7-6 |
| ITF Singapore F3 | 2018/05/28 05:00 | Yu, Cheng-Yu v Grills, Jacob | 7-6,3-6,3-6 |
| ITF Singapore F2 | 2018/05/22 02:00 | Grills, Jacob v Kazuki Nishiwaki | 3-6,6-3,5-7 |
| Challenger Busan Qual | 2018/05/12 02:35 | Grills, Jacob v Renta Tokuda | 7-6,5-7,3-6 |
| Challenger Gimcheon Qual | 2018/05/06 07:10 | Yoshihito Nishioka v Grills, Jacob | 6-2,0-6,7-6 |
| Challenger Gimcheon Qual | 2018/05/05 05:20 | Grills, Jacob v Na, Jung-Woong | 5-7,6-4,6-3 |
| Challenger Seoul Qual | 2018/04/30 05:00 | Renta Tokuda v Grills, Jacob | 6-3,6-2 |
| Challenger Seoul Qual | 2018/04/29 04:15 | Jae Hwan Kim v Grills, Jacob | 6-4,2-6,4-6 |