Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 Trier | 2023/08/24 11:00 | Valerio Perruzza v Yvo Panak | 6-7,5-7 |
| ITF M15 Trier | 2023/08/22 11:00 | Valerio Perruzza v Joao Antonio | 6-4,6-0 |
| ITF M15 Hyvinkaa | 2023/08/04 08:35 | Iiro Vasa v Valerio Perruzza | 6-7,6-1,6-0 |
| ITF M15 Hyvinkaa | 2023/08/03 11:00 | Valerio Perruzza v Gabriele Maria Noce | 7-5,6-4 |
| ITF M15 Hyvinkaa | 2023/08/01 07:00 | Valerio Perruzza v Hermanni Tiainen | 6-0,6-1 |
| ITF M15 Hyvinkaa | 2023/07/31 09:30 | Valerio Perruzza v Martins Rocens | 6-2,6-1 |
| ITF M25 Bacau | 2023/07/27 07:55 | Valerio Perruzza v Radu Mihai Papoe | 0-6,2-6 |
| ITF M25 Bacau | 2023/07/26 11:30 | Quentin Folliot v Valerio Perruzza | 4-6,2-6 |
| Challenger Prague | 2023/08/20 09:40 | Michael Vrbensky v Szymon Kielan | 6-2,6-4 |
| Challenger Grodzisk Mazowiecki | 2023/08/13 13:20 | Szymon Kielan v Alex Knaff | 3-6,0-6 |
| ITF M25 Lodz | 2023/08/09 17:15 | Szymon Kielan v Patrick Kaukovalta | 6-7,4-6 |
| ITF M15 Novi Sad | 2023/08/02 13:50 | Szymon Kielan v Stefan Popovic | 2-6,1-6 |
| ITF M15 Sofia | 2023/07/06 06:30 | Szymon Kielan v Andreja Petrovic | 6-3,6-3 |
| ITF M15 Sofia | 2023/07/04 07:00 | Federico Agustin Gomez v Szymon Kielan | 2-6,3-6 |
| ITF M15 Wroclaw | 2023/06/27 08:00 | Tyler Zink v Szymon Kielan | 6-3,6-1 |
| ITF M15 Monastir | 2023/04/19 11:10 | Shunsuke Nakagawa v Szymon Kielan | 6-4,6-1 |