Stadion: Center Court Round: 26 Ground: Clay
| 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 |
| ITF - M15 - Monastir | 2023/04/13 08:30 | Szymon Kielan v Daniel Rodrigues | 2-6,2-6 |
| ITF - M15 - Monastir | 2023/04/12 08:30 | Szymon Kielan v David Perez Sanz | 7-6,6-3 |
| 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 - Sofia | 2023/07/05 09:30 | Dennis Dragomirov v Andreja Petrovic | 0-6,4-6 |
| ITF - M15 - Sofia | 2023/07/03 13:00 | Andreja Petrovic v Radoslav Shandarov | 7-5,6-0 |
| ITF - M15 - Belgrad | 2023/06/25 09:30 | Aleksandar Mitric v Andreja Petrovic | 6-2,6-3 |
| Davis Cup | 2023/02/03 17:00 | Andreja Petrovic v Miomir Kecmanovic | 1-6,3-6 |
| ITF - M15 - Fayetteville | 2022/10/31 14:30 | Andreja Petrovic v Bautista Vilicich | 6-3,4-6,4-10 |
| ITF - M15 - Tallahassee | 2022/10/29 18:00 | Andreja Petrovic v William Grant | 6-7,4-6 |
| ITF - M15 - Tallahassee | 2022/10/28 17:45 | Andreja Petrovic v Cash Hanzlik | 6-3,6-7,6-0 |
| ITF - M15 - Tallahassee | 2022/10/27 17:45 | Andres Martin v Andreja Petrovic | 4-6,4-6 |