Stadium: Court 3 Round: 44 Ground: Clay
| ITF M15 Lodz | 2021/08/15 08:00 | Kamil Gajewski v Alessio Vasquez Gehrke | 6-2,6-4 |
| ITF M25 Meerbusch | 2021/04/12 10:00 | Alessio Vasquez Gehrke v Mark Owen Endler | 6-7,3-6 |
| ITF M25 Meerbusch | 2021/04/11 12:30 | Mick Veldheer v Alessio Vasquez Gehrke | 1-6,6-0,9-11 |
| ITF M15 Lodz | 2021/08/16 08:00 | Arvid Nordquist v Juliusz Bienkiewicz | 3-6,6-4,10-5 |
| ITF M15 Lodz | 2021/08/15 08:00 | Juliusz Bienkiewicz v Mikolaj Szmyrgala | 6-2,0-6,10-5 |
| ITF M15 Gdynia | 2021/08/10 08:00 | Juliusz Bienkiewicz v Daniel De Jonge | 2-6,6-7 |
| ITF M15 Gdynia | 2021/08/09 08:00 | Andrea Guerrieri v Juliusz Bienkiewicz | 6-2,2-6,7-10 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Juliusz Bienkiewicz v Maciej Kos | 6-4,6-3 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 08:00 | Tomas Lanik v Juliusz Bienkiewicz | 4-6,6-1,10-5 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/01 09:30 | Pietro Schiavetti v Juliusz Bienkiewicz | 2-6,6-2,5-10 |
| ITF M25 Wroclaw | 2021/06/27 12:30 | Juliusz Bienkiewicz v Taiyo Yamanaka | 3-6,1-6 |