Stadium: Court 02 Round: 62 Ground: Clay
| ITF M15 Warmbad-Villach | 2021/08/16 12:30 | Hajek, Petr v Valentino, Daniele | 6-3,6-1 |
| ITF M15 Gdynia | 2021/08/12 08:00 | Filip Peliwo v Hajek, Petr | 6-1,6-3 |
| ITF M15 Gdynia | 2021/08/11 12:30 | Hajek, Petr v Maks Kasnikowski | 6-4,6-7,7-5 |
| ITF M15 Gdynia | 2021/08/10 08:00 | Hajek, Petr v Filip Pieczonka | 5-7,4-6 |
| ITF M15 Gdynia | 2021/08/09 10:30 | Hajek, Petr v Zukauskas, Simonas | 6-0,6-1 |
| ITF - M15 Héraklion | 2021/06/06 07:30 | Hajek, Petr v Papounidis, Ioannis | 4-6,7-5,6-10 |
| ITF - M15 Héraklion | 2021/05/31 06:30 | Hajek, Petr v Boyer, Toby D | 4-6,7-6,6-10 |
| ITF - M15 Héraklion | 2021/05/30 09:00 | Hajek, Petr v Stepanian, Areg | 7-5,6-2 |
| ITF M15 Warmbad-Villach | 2021/08/15 07:00 | Matteo Meneghetti v Ioannis Xilas | 4-6,1-6 |
| ITF - M15 Héraklion | 2021/05/19 08:00 | Ioannis Xilas v Yshai Oliel | 3-6,0-6 |
| ITF M15 Cairo | 2021/04/12 12:30 | Ioannis Xilas v Asrawy, Amr | 3-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2021/04/06 07:30 | Novansky, Michal v Ioannis Xilas | 6-2,5-7,13-11 |
| ITF - M15 Sharm El Sheikh | 2021/03/28 09:30 | George Loffhagen v Ioannis Xilas | 6-1,6-3 |
| ITF - M15 Héraklion | 2020/11/15 08:00 | Ioannis Xilas v Hartmeier, Patrik | 6-1,3-6,5-10 |
| ITF - M15 Héraklion | 2020/11/08 08:30 | Michalis Sakellaridis v Ioannis Xilas | 2-6,7-5,1-10 |
| ITF - M15 Héraklion | 2020/11/04 09:45 | Eriksson, Markus v Ioannis Xilas | 7-6,6-1 |