Stadium: Court 2 Round: 26 Ground: Clay
| ITF M25 Poznaň | 2020/08/26 09:55 | Filip Kolasinski v Pawel Juszczak | 6-2,0-6,6-3 |
| ITF M15 Gdyně | 2021/08/10 08:00 | Roman Andres Burruchaga v Filip Kolasinski | 6-2,6-4 |
| ITF M15 Gdyně | 2021/08/09 08:00 | Gianni Ross v Filip Kolasinski | 7-6,1-6,9-11 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/03 12:30 | Toby Alex Kodat v Filip Kolasinski | 6-0,6-2 |
| ITF M25 Poznaň | 2020/08/27 10:30 | Filip Kolasinski v Vít Kopřiva | 4-6,3-6 |
| ITF M25 Poznaň | 2020/08/26 09:55 | Filip Kolasinski v Pawel Juszczak | 6-2,0-6,6-3 |
| ITF M25 Poznaň | 2020/08/25 07:50 | Filip Kolasinski v Nikolas Lahky | 6-4,6-3 |
| ITF M25 Poznaň | 2020/08/24 11:00 | Filip Kolasinski v Zdeněk Děrkas | 6-0,6-0 |
| Polish National Tour | 2020/08/21 09:00 | Jasza Szajrych v Filip Kolasinski | 7-6,6-7,6-3 |
| ITF M15 Lodž | 2021/08/18 08:00 | Leonardo Aboian v Pawel Juszczak | 2-6,6-2,3-6 |
| ITF M15 Gdyně | 2021/08/13 09:00 | Pawel Juszczak v Alexis Musialek | 3-6,6-0,5-7 |
| ITF M15 Gdyně | 2021/08/12 08:00 | Jack Pinnington Jones v Pawel Juszczak | 3-6,6-2,2-6 |
| ITF M15 Gdyně | 2021/08/11 08:00 | Robert Strombachs v Pawel Juszczak | 4-6,7-6,4-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/08 08:00 | Pawel Juszczak v Shintaro Mochizuki | 2-6,6-1,2-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/07 10:00 | Illya Beloborodko v Pawel Juszczak | 2-6,3-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 13:15 | Pawel Juszczak v Philip Bachmaier | 7-6,6-1 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/03 09:00 | Piotr Grynkowski v Pawel Juszczak | 2-6,2-6 |