Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| ITF M25 Trnava | 2023/03/28 13:25 | Szymon Kielan v Hynek Barton | 6-4,2-6,4-6 |
| ITF M15 Monastir | 2023/03/17 11:00 | Olaf Pieczkowski v Szymon Kielan | 6-1,6-1 |
| ITF M15 Monastir | 2023/03/16 12:40 | Lorenzo Carboni v Szymon Kielan | 6-7,6-1,4-6 |
| ITF M15 Monastir | 2023/03/14 12:40 | Josh Roe Flannelly v Szymon Kielan | 2-6,3-6 |
| ITF M15 Monastir | 2023/03/09 11:30 | Szymon Kielan v Lorenzo Carboni | 3-6,3-6 |
| ITF M15 Monastir | 2023/03/07 13:15 | Szymon Kielan v Franco Roncadelli | 6-0,5-7,6-3 |
| ITF M15 Sharm El Sheikh | 2023/02/19 08:00 | Peter Fajta v Szymon Kielan | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2023/02/18 08:00 | Szymon Kielan v Simone Roncalli | 6-4,6-4 |
| ITF M15 Chennai | 2023/04/07 03:30 | David Perez Sanz v Sidharth Rawat | 5-7,6-7 |
| ITF M15 Chennai | 2023/04/06 04:40 | David Perez Sanz v Yash Chaurasia | 6-1,6-1 |
| ITF M15 Chennai | 2023/04/05 07:30 | David Perez Sanz v Ishaque Eqbal | 6-4,6-4 |
| ITF M15 Aktobe | 2023/03/11 06:30 | Alexandr Binda v David Perez Sanz | 6-2,6-7,7-6 |
| ITF M15 Aktobe | 2023/03/10 09:35 | David Perez Sanz v Aleksandr Braynin | 6-4,7-6 |
| ITF M15 Aktobe | 2023/03/09 08:45 | David Perez Sanz v Niccolo Catini | 4-6,6-3,6-2 |
| ITF M15 Aktobe | 2023/03/08 10:00 | David Perez Sanz v Yunseok Jang | 6-4,6-0 |
| ITF M15 Aktobe | 2023/03/05 08:00 | David Perez Sanz v Evgeny Philippov | 6-3,0-6,6-2 |