Stadium: Ameron Round: 1
| Challenger - Praag 2 | 2020/08/23 10:35 | Zdenek Kolar v Arthur De Greef | 6-4,6-1 |
| Challenger - Praag | 2020/08/18 12:50 | Arthur De Greef v Yannick Maden | 3-6,4-6 |
| Challenger - Praag | 2020/08/16 11:50 | Arthur De Greef v Enzo Couacaud | 6-2,6-0 |
| Challenger - Nur-Sultan | 2020/03/10 06:00 | Arthur De Greef v Alex Molcan | 6-2,2-6,6-2 |
| Challenger - Pau | 2020/02/24 13:05 | Arthur De Greef v Mukund Sasikumar | 7-6,6-7,6-7 |
| Challenger - Bergamo | 2020/02/18 13:05 | Pedja Krstin v Arthur De Greef | 6-2,6-4 |
| Challenger - Bergamo | 2020/02/17 11:20 | Matteo Gigante v Arthur De Greef | 7-6,6-7,5-7 |
| Challenger - Cherbourg | 2020/02/12 11:00 | Arthur De Greef v Roberto Marcora | 3-6,4-6 |