| Challenger Playford 2 | 2019/10/30 01:00 | Marc Polmans v Jacob Grills | 6-4,4-6,6-3 |
| ITF Australia F10 | 2015/11/19 23:00 | Marc Polmans v Jacob Grills | 3-6,7-6,7-6 |
| Challenger Indian Wells | 2020/03/04 18:00 | Steve Johnson v Marc Polmans | 6-1,3-6,6-2 |
| Challenger Indian Wells | 2020/03/03 20:05 | Govind Nanda v Marc Polmans | 2-6,3-6 |
| Challenger Columbus | 2020/02/28 21:05 | Mikael Torpegaard v Marc Polmans | 7-5,7-6 |
| Challenger Columbus | 2020/02/27 17:10 | Ji Sung Nam v Marc Polmans | 3-6,5-7 |
| Challenger Columbus | 2020/02/26 19:40 | Aleksandar Kovacevic v Marc Polmans | 6-7,4-6 |
| Challenger Launceston | 2020/02/05 04:25 | Marc Polmans v Blake Mott | 3-6,4-6 |
| Australian Open | 2020/01/22 06:25 | Marc Polmans v Dusan Lajovic | 2-6,4-6,3-6 |
| Australian Open | 2020/01/21 01:10 | Marc Polmans v Mikhail Kukushkin | 6-4,6-3,4-6,6-7,6-4 |
| 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 |
| Challenger Launceston | 2020/02/04 03:20 | Jacob Grills v Tung-Lin Wu | 6-4,4-6,6-7 |
| Challenger Launceston | 2020/02/03 02:30 | Matthew Romios v Jacob Grills | 1-6,0-6 |
| Challenger Burnie | 2020/01/28 01:05 | Jacob Grills v Zhe Li | 1-6,0-6 |
| Challenger Burnie | 2020/01/27 01:15 | Dayne Kelly v Jacob Grills | 2-6,7-6,4-6 |