Stadium: Court 22 Round: 25 Ground: Clay
| ITF M15 Antalya | 2021/11/09 06:15 | Fermin Tenti v Patrik Rikl | 6-3,6-1 |
| ITF M25 Velenje | 2021/07/11 08:00 | Patrik Rikl v Alexander Shevchenko | 1-6,2-6 |
| ITF M25 Velenje | 2021/07/10 09:45 | Patrik Rikl v Gonzalo Lama | 4-6,6-3,6-4 |
| ITF M25 Velenje | 2021/07/08 08:00 | Bor Artnak v Patrik Rikl | 6-4,5-7,5-7 |
| ITF M25 Velenje | 2021/07/07 09:05 | Patrik Rikl v David Pichler | 6-3,4-6,6-2 |
| ITF M15 Antalya | 2021/07/04 06:20 | Patrik Rikl v Nicolae Frunza | 6-3,3-6,6-3 |
| ITF M15 Antalya | 2021/07/03 06:25 | Francisco Comesana v Patrik Rikl | 4-6,3-6 |
| ITF M15 Antalya | 2021/07/02 08:35 | Jose Fco. Vidal Azorin v Patrik Rikl | 2-6,2-6 |
| ITF M15 Antalya | 2021/11/09 07:00 | Olaf Pieczkowski v Lukas Neumayer | 6-7,5-7 |
| ITF M15 Antalya | 2021/11/03 11:20 | Olaf Pieczkowski v Juan Pablo Paz | 4-6,3-6 |
| ITF M15 Lodz | 2021/08/18 11:25 | Wojciech Marek v Olaf Pieczkowski | 5-7,6-4,6-1 |
| ITF M15 Gdynia | 2021/08/11 15:40 | Pol Toledo Bague v Olaf Pieczkowski | 6-4,6-0 |
| ITF M15 Gdynia | 2021/08/10 08:00 | Alexander Kotzen v Olaf Pieczkowski | 2-6,6-2,8-10 |
| ITF M15 Gdynia | 2021/08/09 08:00 | Olaf Pieczkowski v Millen Hurrion | 6-1,6-7,10-4 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Olaf Pieczkowski v Dominik Langmajer | 6-2,6-1 |
| ITF M25 Wroclaw | 2021/06/28 09:30 | Alibek Kachmazov v Olaf Pieczkowski | 6-0,6-1 |