Stadium: Court 10 Round: 28 Ground: Clay
| ITF Australia F5 | 2018/09/21 00:00 | Grills, Jacob v Boyer, Dusty H | 6-1,6-2 |
| ITF Australia F5 | 2018/09/20 00:00 | Grills, Jacob v Cavrak, Ken | 6-2,6-1 |
| ITF Australia F5 | 2018/09/18 03:35 | Grills, Jacob v Christian Langmo | 6-0,6-3 |
| Vancouver, Canada | 2018/08/12 20:55 | Daniel Evans v Grills, Jacob | 4-6,6-0,6-3 |
| Vancouver, Canada | 2018/08/11 18:20 | Roelofse, Ruan v Grills, Jacob | 1-6,2-6 |
| Challenger Aptos | 2018/08/04 16:00 | Craig, Henry v Grills, Jacob | 6-2,2-6,6-1 |
| ATP Los Cabos Qual | 2018/07/28 23:00 | Grills, Jacob v Aleksandar Vukic | 6-3,2-6,3-6 |
| Challenger Granby | 2018/07/24 17:05 | Grills, Jacob v Stefano Napolitano | 1-6,6-7 |
| ITF Australia F5 | 2018/09/20 01:15 | Jayden Court v Bourchier, Edward | 7-5,6-3 |
| ITF Australia F5 | 2018/09/18 02:15 | Jayden Court v Dane Sweeny | 6-3,6-3 |
| ITF Indonesia F3 Qual | 2018/08/05 05:00 | Khan, Shahbaaz v Jayden Court | 6-4,6-4 |
| ITF Indonesia F2 Qual | 2018/07/29 07:00 | Jayden Court v Siddharth Vishwakarma | 6-4,3-6,4-6 |
| ITF Indonesia F2 Qual | 2018/07/28 03:30 | Jayden Court v Pradhan, Chinmay | 6-3,6-3 |
| ITF Indonesia F1 Qual | 2018/07/22 03:00 | Jayden Court v Courtney John Lock | 3-6,5-7 |
| ITF Indonesia F1 Qual | 2018/07/21 02:00 | Kapadia, Taha v Jayden Court | 3-6,2-6 |
| ITF Malaysia F3 | 2018/07/16 04:30 | Jayden Court v Akbar, Mohammad Abid Ali Khan | 6-7,5-7 |