| UTR Pro Tennis Series Melbourne | 2020/06/30 07:30 | 그릴스, 야콥 v Charlton, Joshua | 6-2,7-6 |
| UTR Pro Tennis Series Melbourne | 2020/11/17 00:15 | 모트, 블랙 v 그릴스, 야콥 | 7-5,6-3 |
| UTR Pro Tennis Series Melbourne | 2020/07/01 23:30 | 그릴스, 야콥 v 볼치엘 H, 하리 | 3-6,5-7 |
| UTR Pro Tennis Series Melbourne | 2020/07/01 08:00 | 폴만스, 마르크 v 그릴스, 야콥 | 7-5,5-3 |
| UTR Pro Tennis Series Melbourne | 2020/06/30 07:30 | 그릴스, 야콥 v Charlton, Joshua | 6-2,7-6 |
| UTR Pro Tennis Series Melbourne | 2020/06/29 02:00 | 모트, 블랙 v 그릴스, 야콥 | 7-6,6-3 |
| ITF M15 Cancun | 2020/03/11 20:40 | 벨트란, 페터 v 그릴스, 야콥 | 7-5,4-6,1-6 |
| Las Vegas, Singles M-ITF-USA-07A | 2020/03/05 20:50 | 버트슈, 저스틴 v 그릴스, 야콥 | 7-5,7-5 |
| Las Vegas, Singles M-ITF-USA-07A | 2020/03/04 17:55 | 호브하니시안, 모우세그 v 그릴스, 야콥 | 2-6,1-6 |
| UTR Pro Tennis Series Melbourne | 2020/11/17 06:15 | 로미오스, 마튜 크리스토퍼 v Charlton, Joshua | 4-6,3-6 |
| UTR Pro Tennis Series Melbourne | 2020/07/02 08:45 | Charlton, Joshua v 켈리, 다인 | 4-6,4-5 |
| UTR Pro Tennis Series Melbourne | 2020/07/01 04:00 | 모트, 블랙 v Charlton, Joshua | 6-2,5-1 |
| UTR Pro Tennis Series Melbourne | 2020/06/30 07:30 | 그릴스, 야콥 v Charlton, Joshua | 6-2,7-6 |
| UTR Pro Tennis Series Melbourne | 2020/06/29 04:00 | 폴만스, 마르크 v Charlton, Joshua | 6-0,5-1 |
| ITF Australia F4 | 2018/03/29 02:20 | Charlton, Joshua v 델라베도바, 마튜 | 6-2,1-6,2-6 |
| ITF Australia F4 | 2018/03/28 00:00 | Charlton, Joshua v Skadarka, Stefan | 7-5,2-6,6-3 |
| ITF Australia F4 Qual | 2018/03/26 01:45 | Charlton, Joshua v 메아겔, 윈터 | 6-4,6-4 |