Stadium: MTA 07 Round: 62 Ground: Clay
| ITF - M15 Antalya | 2021/03/15 08:00 | Dax Donders v Luca Tomasetto | 3-6,1-6 |
| ITF - M15 Antalya | 2021/01/31 06:30 | Dax Donders v Gabriele Maria Noce | 2-6,6-7 |
| ITF - M15 Antalya | 2021/01/28 07:00 | Dax Donders v Battaglino, Stefano | 1-6,0-6 |
| ITF - M15 Antalya | 2021/01/17 09:00 | Giovanni Fonio v Dax Donders | 7-5,6-3 |
| ITF M15 Cairo | 2020/12/07 08:00 | Juan Bautista Otegui v Dax Donders | 7-5,6-3 |
| ITF M15 Cairo | 2020/11/29 09:30 | Dax Donders v Patino, Luis | 1-6,2-6 |
| ITF M15 Alkmaar | 2020/08/24 08:00 | Dax Donders v Simon Beaupain | 3-6,4-6 |
| ITF M15 Alkmaar | 2020/08/23 08:00 | Dax Donders v Verstegen, Quin | 6-3,6-1 |
| ITF - M15 Antalya | 2021/03/15 08:30 | Sigurdsson, Egill v Nicolas Parizzia | 3-6,4-6 |
| ITF - M15 Antalya | 2021/03/14 07:00 | Sigurdsson, Egill v Vito Dell'Elba | 6-3,6-3 |
| ITF M15 La Nucia | 2021/03/08 09:00 | Sigurdsson, Egill v Martinez Arjona, Samuel | 2-6,3-6 |
| ITF M15 Cairo | 2020/12/06 07:00 | Sigurdsson, Egill v Rishi Reddy | 0-6,0-6 |
| ITF M15 Cairo | 2020/11/30 08:00 | Sigurdsson, Egill v Alex M Pujolras | 0-6,0-6 |
| ITF M15 Cairo | 2020/11/29 07:00 | Sigurdsson, Egill v Tushar Madan | 6-1,6-4 |
| ITF M15 Cairo | 2020/11/22 07:00 | Dzhavakian, Yurii v Sigurdsson, Egill | 6-3,6-2 |
| ITF M15 Valldoreix | 2020/11/08 13:00 | March, Antonio Cayetano v Sigurdsson, Egill | 6-1,6-0 |