| ITF M25 Naples | 2019/10/28 14:00 | Oliver Crawford v Thomas Bosancic | 6-3,6-2 |
| ITF M15 Novi Sad | 2019/07/30 08:00 | Milan Drinic v Thomas Bosancic | 6-4,6-3 |
| ITF M25 Prijedor | 2019/05/08 09:45 | Thomas Bosancic v Besir Durguti | 4-6,7-5,6-3 |
| ITF M25 Prijedor | 2019/05/07 13:45 | Thomas Bosancic v Stefan Suvajac | 6-0,6-1 |
| ITF M15 Mornington | 2019/03/28 01:50 | Luca Castelnuovo v Thomas Bosancic | 7-6,1-6,6-4 |
| ITF M15 Mornington | 2019/03/26 05:20 | Rimpei Kawakami v Thomas Bosancic | 4-6,6-7 |
| ITF M15 Mornington | 2019/03/20 23:00 | Thomas Bosancic v Harry Bourchier | 4-6,3-6 |
| ITF M15 Mornington | 2019/03/20 01:05 | Thomas Bosancic v Cameron Green | 6-3,4-6,6-0 |
| UTR Pro Tennis Series Melbourne | 2020/07/01 23:30 | Jacob Grills v Harry Bourchier | 3-6,5-7 |
| UTR Pro Tennis Series Melbourne | 2020/07/01 08:00 | Marc Polmans v Jacob Grills | 7-5,5-3 |
| UTR Pro Tennis Series Melbourne | 2020/06/30 07:30 | Jacob Grills v Joshua Charlton | 6-2,7-6 |
| UTR Pro Tennis Series Melbourne | 2020/06/29 02:00 | Blake Mott v Jacob Grills | 7-6,6-3 |
| ITF M15 Cancun | 2020/03/11 20:40 | Peter Bertran v Jacob Grills | 7-5,4-6,1-6 |
| ITF M25 Las Vegas | 2020/03/05 20:50 | Justin Butsch v Jacob Grills | 7-5,7-5 |
| ITF M25 Las Vegas | 2020/03/04 17:55 | Mousheg Hovhannisyan v Jacob Grills | 2-6,1-6 |
| Challenger Calgary | 2020/02/24 20:55 | Jacob Grills v Patrik Niklas-Salminen | 2-6,4-6 |