Home History
| Wimbledon | 2021/06/24 12:00 | Kamil Majchrzak v Tomas Barrios Vera | 4-6,6-4,6-7,3-6 |
| Wimbledon | 2021/06/23 13:30 | Kamil Majchrzak v Robin Haase | 6-7,7-6,6-4 |
| Wimbledon | 2021/06/22 11:10 | Kamil Majchrzak v Yannick Maden | 6-1,6-4 |
| Challenger Nottingham | 2021/06/20 10:00 | Alex Bolt v Kamil Majchrzak | 4-6,6-4,6-3 |
| Challenger Nottingham | 2021/06/19 14:30 | Kamil Majchrzak v Benjamin Bonzi | 6-3,6-2 |
| Challenger Nottingham | 2021/06/19 10:00 | Kamil Majchrzak v Denis Kudla | 6-7,6-4,6-4 |
| Challenger Nottingham | 2021/06/17 10:00 | Kamil Majchrzak v Ramkumar Ramanathan | 6-4,6-3 |
| Challenger Nottingham | 2021/06/15 10:00 | Yuichi Sugita v Kamil Majchrzak | 0-6,3-6 |
Away History
| ITF M25 Wroclaw | 2021/06/30 13:15 | Gonzalo Lama v Szymon Kielan | 6-1,6-2 |
| ITF M25 Wroclaw | 2021/06/29 08:00 | Szymon Kielan v Mateusz Terczynski | 6-3,6-2 |
| ITF M25 Wroclaw | 2021/06/28 11:00 | Lewie Lane v Szymon Kielan | 3-6,0-6 |
| ITF M25 Wroclaw | 2021/06/27 12:30 | Szymon Kielan v Stepan Pecak | 4-6,6-4,10-8 |
| ITF M25 Poznan | 2020/08/23 11:00 | Leyton Rivera v Szymon Kielan | 4-6,6-3,10-3 |
| Polish National Tour | 2020/08/20 07:00 | Filip Kolasinski v Szymon Kielan | 6-2,7-6 |
| Polish National Tour | 2020/07/24 07:00 | Szymon Kielan v Michal Mikula | 2-6,3-6 |