Stadium: TSITSIPAS COURT Round: 62 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/11/23 08:30 | Kai Wehnelt v Ioannis Kountourakis | 6-3,6-3 |
| ITF M15 Heraklion | 2021/11/14 11:00 | Raffael Schaer v Ioannis Kountourakis | 6-4,6-2 |
| ITF M15 Heraklion | 2021/11/08 09:00 | Zsombor Velcz v Ioannis Kountourakis | 7-5,6-0 |
| ITF M15 Heraklion | 2021/11/03 12:40 | Ioannis Kountourakis v Mark Lajal | 6-4,1-6,2-6 |
| ITF M15 Heraklion | 2021/11/02 07:00 | Jonathan Backman v Ioannis Kountourakis | 6-1,6-7,7-10 |
| ITF M15 Heraklion | 2021/11/01 11:00 | Ioannis Kountourakis v Nikolas Moceanu | 6-1,6-2 |
| ITF M15 Cairo | 2021/09/13 08:00 | Ioannis Kountourakis v Maikel De Boes | 4-6,4-6 |
| ITF M15 Cairo | 2021/09/07 07:30 | Tobias Franco v Ioannis Kountourakis | 6-4,6-2 |
| ITF M15 Heraklion | 2021/11/25 11:30 | Elmer Moller v Alastair Gray | 3-6,3-6 |
| ITF M15 Heraklion | 2021/11/24 10:55 | Alexandros Skorilas v Elmer Moller | 7-5,2-6,4-6 |
| ITF M15 Heraklion | 2021/11/23 07:00 | Elmer Moller v Marc Othman Ktiri | 6-2,6-2 |
| ITF M15 Heraklion | 2021/11/22 08:00 | Deney Wassermann v Elmer Moller | 1-6,4-6 |
| ITF M15 Heraklion | 2021/11/21 07:00 | Michel-Alexandre Fortin v Elmer Moller | 2-6,3-6 |
| ITF M15 Doha | 2021/10/13 16:20 | Tibo Colson v Elmer Moller | 7-6,6-4 |
| ITF M15 Doha | 2021/10/12 14:35 | Garv Bahl v Elmer Moller | 0-6,0-6 |
| ITF M15 Doha | 2021/10/11 12:30 | Radu F Macovei v Elmer Moller | 1-6,1-6 |