Stadium: Court 8 Round: 26 Ground: Clay
| ITF - M15 Cairo | 2021/01/06 08:00 | Alejo Lorenzo Lingua Lavallen v Piotr Grynkowski | 6-4,5-7,5-7 |
| ITF - M15 Cairo | 2021/01/04 12:00 | Piotr Grynkowski v Muthu A Senthilkumar | 6-3,6-1 |
| ITF - M15 Cairo | 2021/01/04 09:00 | Piotr Grynkowski v Stevan Popovic | 6-1,6-0 |
| ITF - M25 Poznan | 2020/08/26 07:55 | Piotr Grynkowski v Manuel Guinard | 2-6,2-6 |
| ITF - M25 Poznan | 2020/08/25 10:40 | Piotr Grynkowski v Gaston Erhardt | 6-2,6-2 |
| ITF - M25 Poznan | 2020/08/24 11:00 | Piotr Grynkowski v Bartlomiej Andrzejczak | 6-4,3-6,10-5 |
| Polish National Tour | 2020/08/15 12:45 | Piotr Grynkowski v Martyn Pawelski | 6-2,6-0 |
| Polish National Tour | 2020/07/30 09:45 | Piotr Grynkowski v Jan Zielinski | 2-6,6-4,2-6 |
| ITF - M15 Cairo | 2021/01/05 08:00 | Lorenzo Bocchi v Ivan Gakhov | 6-3,1-6,7-6 |
| Challenger - Parma 2 | 2020/10/31 11:20 | Lorenzo Bocchi v Jack Draper | 4-6,6-7 |
| ITF - M15 Monastir | 2019/12/20 09:00 | Lorenzo Bocchi v Skander Mansouri | 4-6,0-6 |
| ITF - M15 Monastir | 2019/12/19 10:10 | Lorenzo Bocchi v Maik Steiner | 2-6,6-3,6-4 |
| ITF - M15 Monastir | 2019/12/17 14:45 | Clement Tabur v Lorenzo Bocchi | 1-6,4-6 |
| ITF - M15 Monastir | 2019/12/11 12:00 | Titouan Droguet v Lorenzo Bocchi | 6-3,6-3 |
| ITF - M15 Monastir | 2019/11/27 13:30 | Lorenzo Bocchi v Georgii Kravchenko | 3-6,6-7 |
| ITF - M15 Monastir | 2019/11/19 08:30 | Rimpei Kawakami v Lorenzo Bocchi | 6-1,6-0 |