Stadium: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF - M15 Sharm El Sheikh | 2021/03/09 10:05 | Yitbarek, Simon v Hajek, Petr | 7-6,6-2 |
| ITF - M15 Sharm El Sheikh | 2021/03/08 07:30 | Lorenzo Bresciani v Hajek, Petr | 1-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2020/03/11 12:35 | Hajek, Petr v Minarik, Kristof | 6-3,6-2 |
| ITF - M15 Sharm El Sheikh | 2020/03/04 11:15 | David Pichler v Hajek, Petr | 7-6,6-4 |
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/02/25 09:00 | Hajek, Petr v Shumeiko, Pavel | 3-6,6-3,6-10 |
| ITF - M15 Oberhaching | 2020/02/16 16:45 | Naow, Amer v Hajek, Petr | 6-1,6-3 |
| ITF - M15 Oberhaching | 2020/02/16 10:30 | Patric Prinoth v Hajek, Petr | 6-7,4-6 |
| ITF M15 Cairo | 2020/01/22 10:45 | Alexander Shevchenko v Hajek, Petr | 6-2,6-2 |
| ITF - M15 Sharm El Sheikh | 2021/03/14 17:30 | Leonardo Malgaroli v Stefani Figlia, B. | 7-5,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/03/08 13:00 | Leonardo Malgaroli v Gabriele Bosio | 6-7,4-6 |
| ITF - M15 Sharm El Sheikh | 2021/03/07 17:00 | George Loffhagen v Leonardo Malgaroli | 6-1,4-6,8-10 |