| UTR Pro Tennis Series Melbourne | 2020/06/30 07:30 | Grills, Jacob v Joshua Charlton | 6-2,7-6 |
| UTR Pro Tennis Series Melbourne | 2020/11/17 00:15 | Blake Mott v Grills, Jacob | 7-5,6-3 |
| UTR Pro Tennis Series Melbourne | 2020/07/01 23:30 | Grills, Jacob v Bourchier, Harry | 3-6,5-7 |
| UTR Pro Tennis Series Melbourne | 2020/07/01 08:00 | Marc Polmans v Grills, Jacob | 7-5,5-3 |
| UTR Pro Tennis Series Melbourne | 2020/06/30 07:30 | Grills, Jacob v Joshua Charlton | 6-2,7-6 |
| UTR Pro Tennis Series Melbourne | 2020/06/29 02:00 | Blake Mott v Grills, Jacob | 7-6,6-3 |
| ITF M15 Cancun | 2020/03/11 20:40 | Peter Bertran v Grills, Jacob | 7-5,4-6,1-6 |
| Las Vegas, Singles M-ITF-USA-07A | 2020/03/05 20:50 | Butsch, Justin v Grills, Jacob | 7-5,7-5 |
| Las Vegas, Singles M-ITF-USA-07A | 2020/03/04 17:55 | Hovhannisyan, Mousheg v Grills, Jacob | 2-6,1-6 |
| UTR Pro Tennis Series Melbourne | 2020/11/17 06:15 | Romios, Matthew Christopher v Joshua Charlton | 4-6,3-6 |
| UTR Pro Tennis Series Melbourne | 2020/07/02 08:45 | Joshua Charlton v Kelly, Dayne | 4-6,4-5 |
| UTR Pro Tennis Series Melbourne | 2020/07/01 04:00 | Blake Mott v Joshua Charlton | 6-2,5-1 |
| UTR Pro Tennis Series Melbourne | 2020/06/30 07:30 | Grills, Jacob v Joshua Charlton | 6-2,7-6 |
| UTR Pro Tennis Series Melbourne | 2020/06/29 04:00 | Marc Polmans v Joshua Charlton | 6-0,5-1 |
| ITF Australia F4 | 2018/03/29 02:20 | Joshua Charlton v Matthew Dellavedova | 6-2,1-6,2-6 |
| ITF Australia F4 | 2018/03/28 00:00 | Joshua Charlton v Skadarka, Stefan | 7-5,2-6,6-3 |
| ITF Australia F4 Qual | 2018/03/26 01:45 | Joshua Charlton v Winter Meagher | 6-4,6-4 |