Stadium: Court 2 Round: 62 Ground: Clay
| ITF M15 Gdynia | 2021/08/08 08:00 | Vittar, Francisco v Ross, Gianni | 2-6,6-0,7-10 |
| ITF M15 Frederiksberg | 2021/08/03 12:45 | Oscar Moraing v Ross, Gianni | 7-5,4-6,6-4 |
| ITF M15 Frederiksberg | 2021/08/03 11:30 | Oscar Moraing v Ross, Gianni | 7-5,4-6,6-4 |
| ITF M15 Frederiksberg | 2021/08/02 11:25 | Ross, Gianni v Nareyka, Bjorn | 6-2,6-0 |
| ITF M15 Frederiksberg | 2021/08/01 08:00 | Ross, Gianni v Raphael Calzi | 7-5,6-4 |
| ITF M25 Denia | 2021/07/27 10:00 | Pawel Juszczak v Ross, Gianni | 3-6,6-0,10-4 |
| ITF M25 Denia | 2021/07/26 16:00 | Alosha Ushakov, Nikita v Ross, Gianni | 2-6,3-6 |
| ITF M25 Denia | 2021/07/25 14:30 | Pereira, Miguel Fernando v Ross, Gianni | 7-5,3-6,4-10 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/03 12:30 | Kodat, Toby Alex v Kolasinski, Filip | 6-0,6-2 |
| ITF M25 Poznan | 2020/08/27 10:30 | Kolasinski, Filip v Vit Kopriva | 4-6,3-6 |
| ITF M25 Poznan | 2020/08/26 09:55 | Kolasinski, Filip v Pawel Juszczak | 6-2,0-6,6-3 |
| ITF M25 Poznan | 2020/08/25 07:50 | Kolasinski, Filip v Lahky, Nikolas | 6-4,6-3 |
| ITF M25 Poznan | 2020/08/24 11:00 | Kolasinski, Filip v Zdenek Derkas | 6-0,6-0 |
| Polish National Tour | 2020/08/21 09:00 | Jasza Szajrych v Kolasinski, Filip | 7-6,6-7,6-3 |
| Polish National Tour | 2020/08/20 07:00 | Kolasinski, Filip v Szymon Kielan | 6-2,7-6 |
| Polish National Tour | 2020/08/15 13:50 | Daniel Michalski v Kolasinski, Filip | 6-4,6-4 |