Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| ITF M25 Trnava | 2024/03/26 09:00 | Daniel Siniakov v Piotr Grynkowski | 4-6,2-6 |
| ITF M25 Trnava | 2024/03/25 09:00 | Piotr Grynkowski v Juliusz Bienkiewicz | 6-4,6-1 |
| ITF M25 Lodz | 2023/08/09 17:00 | Piotr Grynkowski v Jiri Barnat | 3-6,3-6 |
| ITF M25 Lodz | 2023/08/08 11:05 | Piotr Grynkowski v Piotr Siekanowicz | 6-4,6-1 |
| ITF M25 Lodz | 2023/08/07 10:30 | Siim Troost v Piotr Grynkowski | 6-7,6-7 |
| ITF M25 Jablonec Nad Nisou | 2023/05/29 10:30 | Thijmen Loof v Piotr Grynkowski | 7-6,7-5 |
| ITF M15 Lodz | 2022/07/27 13:30 | Piotr Grynkowski v Petr Nouza | 1-6,3-6 |
| ITF M15 Lodz | 2022/07/26 13:30 | Federico Campana v Piotr Grynkowski | 3-6,4-6 |
| ITF M25 Toulouse | 2024/03/20 13:00 | Robin Bertrand v Clement Chidekh | 3-6,6-1,3-6 |
| Challenger Hamburg | 2024/03/10 14:20 | Kenny de Schepper v Robin Bertrand | 7-6,1-6,6-2 |
| ITF M15 Torello | 2024/03/08 11:15 | Robin Bertrand v Adria Soriano Barrera | 6-1,4-6,4-6 |
| ITF M15 Torello | 2024/03/07 12:15 | Robin Bertrand v Iliyan Radulov | 6-1,6-4 |
| ITF M15 Torello | 2024/03/06 11:20 | Robin Bertrand v Niklas Schell | 6-0,6-2 |
| Challenger Lille | 2024/02/25 14:35 | Robin Bertrand v Egor Gerasimov | 3-6,4-6 |
| Challenger Pau | 2024/02/19 10:00 | Robin Bertrand v Altug Celikbilek | 6-4,0-6,3-6 |
| ITF M15 Monastir | 2024/02/11 09:00 | Robin Bertrand v Federico Iannaccone | 6-1,6-3 |