Stadium: Court 1 Round: 62 Ground: Clay
| ITF - M15 Antalya | 2021/10/31 07:00 | Gheorghe Claudiu Schinteie v Edoardo Zanada | 0-6,3-6 |
| ITF M15 Vyshkovo | 2021/09/20 06:00 | Leonardo Catani v Gheorghe Claudiu Schinteie | 0-6,6-4,10-7 |
| ITF M15 Vyshkovo | 2021/09/19 11:00 | Brambati, Massimo v Gheorghe Claudiu Schinteie | 2-6,5-7 |
| ITF M25 Bacau | 2021/08/17 07:00 | Ivanov, Simon Anthony v Gheorghe Claudiu Schinteie | 6-3,6-1 |
| ITF M25 Bacau | 2021/08/16 10:30 | Gheorghe Claudiu Schinteie v Turcu, Mihnea Lorin Stefan | 6-1,7-6 |
| ITF M15 Curtea de Arges | 2021/08/10 06:55 | Gergely Madarasz v Gheorghe Claudiu Schinteie | 6-1,6-1 |
| ITF M15 Curtea de Arges | 2021/08/09 07:00 | Gheorghe Claudiu Schinteie v Toby Martin | 6-3,7-5 |
| ITF M15 Curtea de Arges | 2021/08/08 06:00 | Mania, Marco v Gheorghe Claudiu Schinteie | 3-6,0-6 |
| ITF M15 Lodz | 2021/08/16 08:00 | Harry Wendelken v Borkowski, Mikolaj | 6-0,6-3 |
| ITF M15 Lodz | 2021/08/15 08:00 | Ilnytskyy, Svyatoslav v Borkowski, Mikolaj | 4-6,6-3,5-10 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Borkowski, Mikolaj v Galus, Piotr | 6-7,1-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/01 17:05 | Postolka, Roman v Borkowski, Mikolaj | 6-1,6-0 |
| ITF M25 Wroclaw | 2021/06/27 11:00 | Borkowski, Mikolaj v Oleksandr Ovcharenko | 4-6,0-6 |
| ITF M25 Poznan | 2020/08/24 08:00 | Pawel Juszczak v Borkowski, Mikolaj | 6-4,6-0 |
| ITF M25 Poznan | 2020/08/23 08:00 | Borkowski, Mikolaj v Davies, George | 6-4,6-3 |
| Polish National Tour | 2020/08/15 16:00 | Gajewski, Kamil v Borkowski, Mikolaj | 6-4,6-3 |