Stadium: C Round: 25 Ground: Clay
| Challenger Vancouver | 2018/08/12 20:55 | Daniel Evans v Jacob Grills | 4-6,6-0,6-3 |
| Challenger Vancouver | 2018/08/11 18:20 | Ruan Roelofse v Jacob Grills | 1-6,2-6 |
| Challenger Aptos | 2018/08/04 16:00 | Henry Craig v Jacob Grills | 6-2,2-6,6-1 |
| ATP Los Cabos Qual | 2018/07/28 23:00 | Jacob Grills v Aleksandar Vukic | 6-3,2-6,3-6 |
| Challenger Granby | 2018/07/24 17:05 | Jacob Grills v Stefano Napolitano | 1-6,6-7 |
| Challenger Granby Qual | 2018/07/23 16:00 | Lucas Miedler v Jacob Grills | 2-6,6-2,7-6 |
| Challenger Granby Qual | 2018/07/22 21:30 | Jacob Grills v Shintaro Imai | 6-4,6-1 |
| Challenger Granby Qual | 2018/07/21 14:00 | Washi Gervais v Jacob Grills | 4-6,2-6 |
| ITF Indonesia F3 | 2018/08/07 02:00 | Kaito Uesugi v Christian Langmo | 6-1,6-2 |
| ITF Indonesia F2 | 2018/08/04 02:30 | Kaito Uesugi v Christian Langmo | 7-6,7-5 |
| ITF Indonesia F2 | 2018/08/03 02:00 | Hady Habib v Christian Langmo | 4-6,6-3,3-6 |
| ITF Indonesia F2 | 2018/08/02 03:00 | Christian Langmo v Justin Barki | 6-3,7-6 |
| ITF Indonesia F2 | 2018/08/01 02:30 | Lance-Pierre Du Toit v Christian Langmo | 2-6,6-4,3-6 |
| ITF Indonesia F2 Qual | 2018/07/30 04:30 | Naru Shirafuji v Christian Langmo | 6-2,6-7,3-6 |
| ITF Indonesia F2 Qual | 2018/07/29 04:30 | Christian Langmo v Sahil Gaware | 6-4,6-3 |
| ITF Indonesia F2 Qual | 2018/07/28 04:30 | Christian Langmo v James Ibrahim | 6-4,6-0 |