Stadium: Court 3 Round: 44 Ground: Clay
| ITF M25 Poznan | 2020/08/24 11:00 | Piotr Grynkowski v Bartlomiej Andrzejczak | 6-4,3-6,10-5 |
| Polen - National Tour | 2020/08/15 12:45 | Piotr Grynkowski v Martyn Pawelski | 6-2,6-0 |
| Polen - National Tour | 2020/07/30 09:45 | Piotr Grynkowski v Jan Zielinski | 2-6,6-4,2-6 |
| Polen - National Tour | 2020/07/29 09:10 | Piotr Grynkowski v Adam Kwiatkowski | 7-5,7-6 |
| Polen - National Tour | 2020/07/26 09:50 | Piotr Grynkowski v Daniel Michalski | 4-6,3-6 |
| Polen - National Tour | 2020/07/18 13:15 | Piotr Grynkowski v Kacper Zuk | 4-6,1-6 |
| Polen - National Tour | 2020/07/17 13:40 | Piotr Grynkowski v Maks Kasnikowski | 7-6,2-6,6-4 |
| Polen - National Tour | 2020/07/16 16:10 | Piotr Grynkowski v Martyn Pawelski | 6-3,6-1 |
| ITF M25 Poznan | 2020/08/24 12:30 | Leyton Rivera v Gaston Erhardt | 5-7,4-6 |
| ITF M25 Poznan | 2020/08/23 11:00 | Louis Allen v Gaston Erhardt | 1-6,1-6 |
| ITF M25 Hurlingham | 2020/03/02 13:00 | Gaston Erhardt v Nicolas Uryson | 2-6,1-6 |
| ITF M25 Hurlingham | 2020/03/01 13:00 | Nicolas Agustin Lema v Gaston Erhardt | 3-6,2-6 |
| ITF M25 Rio Cuarto | 2020/02/24 15:00 | Gaston Erhardt v Leonardo Aboian | 6-4,4-6,3-10 |
| ITF M25 Rio Cuarto | 2020/02/23 13:00 | Nicolas Bianchi v Gaston Erhardt | 6-3,3-6,8-10 |
| ITF M25 Punta del Este | 2020/02/18 20:10 | Juan Ignacio Galarza v Gaston Erhardt | 6-2,2-6,6-3 |
| ITF M25 Punta del Este | 2020/02/17 14:00 | Ignacio Carou v Gaston Erhardt | 7-5,5-7,12-14 |