Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Antalya | 2021/01/17 09:00 | Dorian Kos v Yan Sabanin | 2-6,3-6 |
| ITF M15 Antalya | 2021/01/10 07:30 | Gokberk Saritas v Dorian Kos | 6-2,6-4 |
| ITF M15 Antalya | 2021/01/06 07:30 | Stefanos Sakellaridis v Dorian Kos | 2-6,6-2,10-4 |
| ITF M15 Antalya | 2021/01/04 07:00 | Ivan Abramov v Dorian Kos | 3-6,6-2,10-12 |
| ITF M15 Heraklion | 2020/11/23 10:00 | Sean Hodkin v Dorian Kos | 6-3,6-2 |
| ITF M25 Glasgow | 2020/02/16 12:00 | Kristjan Tamm v Dorian Kos | 6-3,6-3 |
| ITF M25 Dublin | 2019/07/30 09:00 | Ben Jones v Dorian Kos | 6-3,6-3 |
| ITF M25 Dublin | 2019/07/29 09:00 | Dorian Kos v Christopher Patzanovsky | 6-3,7-6 |