Stadium: AFT Court Round: 62 Ground: Clay
| ITF M25 Eupen | 2021/09/06 13:05 | Dax Donders v Andre Megrabian | 6-4,6-3 |
| ITF M25 Eupen | 2021/09/05 10:30 | Dax Donders v Stephan Iserath | 6-2,6-2 |
| ITF M15 Oldenzaal | 2021/08/15 14:00 | Dax Donders v Arthur Van Der Kooij | 6-1,6-4 |
| ITF M25 Marburg | 2021/07/05 10:35 | Christoph Negritu v Dax Donders | 7-6,7-6 |
| ITF M25 The Hague | 2021/06/28 07:50 | Lodewijk Weststrate v Dax Donders | 6-7,6-1,10-5 |
| ITF M25 The Hague | 2021/06/27 08:00 | Dax Donders v Zachary Eisinga | 6-2,7-5 |
| ITF M25 Alkmaar | 2021/06/24 14:55 | Dax Donders v Javier Barranco Cosano | 4-6,2-6 |
| ITF M25 Alkmaar | 2021/06/23 18:05 | Dax Donders v Amaury Raynel | 5-7,6-3,6-1 |
| ITF M25 Eupen | 2021/09/06 11:30 | Tom Clavel v Rayane Oumaouche | 2-6,2-6 |
| ITF M25 Gandia | 2021/07/20 10:15 | Mario Mansilla Diez v Rayane Oumaouche | 6-0,7-5 |
| ITF M25 Gandia | 2021/07/18 09:00 | Rayane Oumaouche v Edouard Villoslada | 7-5,3-6,11-9 |
| UTR Pro Tennis Series Zadar | 2021/07/04 08:30 | Rayane Oumaouche v Vito Tonejc | 1-6,6-1,3-6 |
| UTR Pro Tennis Series Zadar | 2021/07/03 08:30 | Rayane Oumaouche v Ryan Goetz | 6-2,6-3 |
| UTR Pro Tennis Series Zadar | 2021/07/02 11:00 | Rayane Oumaouche v Elijah Poritzky | 6-0,5-3 |
| UTR Pro Tennis Series Zadar | 2021/06/30 12:30 | Rayane Oumaouche v Anatoliy Petrenko | 6-0,6-2 |
| UTR Pro Tennis Series Zadar | 2021/06/29 09:30 | Rayane Oumaouche v Yaraslav Shyla | 6-4,7-5 |