Stadium: Court 10 Round: 62 Ground: Clay
| 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 |
| ITF M25 Wroclaw | 2021/06/27 11:00 | Tomas Lanik v Olaf Pieczkowski | 2-6,3-6 |
| Polish National Tour | 2020/07/15 10:55 | Olaf Pieczkowski v Daniel Michalski | 2-6,3-6 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Tom Hands v Millen Hurrion | 6-1,5-7,8-10 |
| ITF M15 Novi Sad | 2021/08/03 08:00 | Domagoj Biljesko v Millen Hurrion | 7-5,6-2 |
| ITF M15 Novi Sad | 2021/08/02 09:30 | Franco Roncadelli v Millen Hurrion | 3-6,4-6 |
| ITF M15 Novi Sad | 2021/08/01 13:45 | Pavle Daljev v Millen Hurrion | 1-6,3-6 |
| International Tennis Series | 2020/07/08 12:00 | Millen Hurrion v Micah Braswell | 6-7,3-6 |
| International Tennis Series | 2020/07/06 15:25 | David Metz v Millen Hurrion | 4-6,1-6 |
| International Tennis Series | 2020/07/06 13:50 | Ryan Shane v Millen Hurrion | 1-6,6-4,10-3 |
| International Tennis Series | 2020/07/05 13:35 | Millen Hurrion v Ivan Yatsuk | 4-6,4-6 |