Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Heraklion | 2021/06/03 06:30 | Luke Johnson v Ben Patael | 4-6,6-3,3-6 |
| ITF M15 Heraklion | 2021/06/02 06:30 | Luke Johnson v Mattia Bellucci | 6-2,7-5 |
| ITF M15 Heraklion | 2021/05/28 06:30 | Ze Zhang v Luke Johnson | 6-1,6-1 |
| ITF M15 Heraklion | 2021/05/27 06:30 | Luke Johnson v Harry Wendelken | 6-2,6-7,6-3 |
| ITF M15 Heraklion | 2021/05/25 08:00 | Luke Johnson v Billy Harris | 3-6,7-6,6-1 |
| ITF M15 Heraklion | 2021/05/20 06:30 | Luke Johnson v Ryan Peniston | 6-7,3-6 |
| ITF M15 Heraklion | 2021/05/19 09:40 | Matthew Dellavedova v Luke Johnson | 5-7,2-6 |
| ITF M15 Troisdorf | 2021/05/13 09:00 | Yannick Mertens v Luke Johnson | 7-6,6-4 |
| 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 |