Stadium: Court 6 Round: 44 Ground: Clay
| ITF M25 Bielsko Biala | 2023/08/13 12:30 | Milosz Sroka v Mateusz Kulakowski | 5-7,2-6 |
| ITF M25 Lodz | 2023/08/07 07:30 | Maciej Matuszczyk v Mateusz Kulakowski | 3-6,6-3,10-7 |
| ITF M25 Castelo Branco | 2023/07/17 12:00 | Mateusz Kulakowski v Guillaume Dalmasso | 2-6,3-6 |
| ITF M15 Wroclaw | 2023/06/25 11:30 | Karol Drzewiecki v Mateusz Kulakowski | 6-4,6-2 |
| ITF M15 Kalmar | 2023/05/15 08:15 | Mateusz Kulakowski v Samuel Rovai | 4-6,6-1,6-10 |
| ITF M15 Antalya | 2023/05/07 07:00 | Enrico Giacomini v Mateusz Kulakowski | 6-3,6-1 |
| ITF M15 Antalya | 2023/04/30 07:00 | Anton Chekhov v Mateusz Kulakowski | 6-4,6-2 |
| ITF M15 Porec | 2023/03/05 11:30 | Giannicola Misasi v Mateusz Kulakowski | 6-1,6-2 |
| ITF M25 Lodz | 2023/08/08 07:30 | Pijus Vaitiekunas v Wojciech Marek | 6-7,3-6 |
| ITF M25 Lodz | 2023/08/07 10:30 | Pijus Vaitiekunas v Marcel Dzielo | 6-3,6-0 |
| ITF M15 Hyvinkaa | 2023/07/31 07:00 | Pijus Vaitiekunas v Maxence Rivet | 3-6,4-6 |
| ITF M15 Monastir | 2023/06/18 08:30 | Pijus Vaitiekunas v Mikhail Gorokhov | 5-7,3-6 |
| ITF M15 Monastir | 2023/06/12 14:00 | Tiago Silva v Pijus Vaitiekunas | 6-7,6-3,10-5 |
| ITF M15 Monastir | 2023/06/11 08:30 | Albert Bisong Bikom v Pijus Vaitiekunas | 2-6,1-6 |
| ITF M15 Monastir | 2023/06/05 14:55 | Billy Blaydes v Pijus Vaitiekunas | 6-4,6-1 |
| ITF M15 Monastir | 2023/06/05 08:30 | Julius Augunas v Pijus Vaitiekunas | 1-6,1-6 |