Stadium: Court 3 Round: 27 Ground: Hardcourt indoor
| ITF M15 Parnu | 2021/08/05 10:30 | Ergi Kirkin v Alexander Kotzen | 7-6,6-4 |
| ITF M15 Parnu | 2021/08/04 08:35 | Ergi Kirkin v Oscar Weightman | 6-2,4-6,7-5 |
| ITF M15 Vejle | 2021/08/01 10:20 | Ergi Kirkin v August Holmgren | 7-6,6-4 |
| ITF M15 Vejle | 2021/07/31 07:50 | Ergi Kirkin v Matias Zukas | 6-1,6-4 |
| ITF M15 Vejle | 2021/07/30 13:00 | Ergi Kirkin v Karl Friberg | 6-3,6-0 |
| ITF M15 Vejle | 2021/07/30 08:00 | Ergi Kirkin v Alexander Kotzen | 6-2,6-3 |
| ITF M15 Vejle | 2021/07/28 10:25 | Ergi Kirkin v Andrea Del Federico | 3-6,6-2,6-2 |
| Challenger Nur-Sultan | 2021/07/20 09:10 | Ergi Kirkin v Ryan Peniston | 2-6,3-6 |
| ITF M15 Parnu | 2021/08/05 06:55 | Paul Valsecchi v Luke Johnson | 6-3,4-6,0-6 |
| ITF M15 Parnu | 2021/08/04 12:05 | Lorenzo Rottoli v Luke Johnson | 6-2,6-7,4-6 |
| Challenger Nottingham - selejtezők | 2021/06/13 10:00 | Luke Johnson v Ramkumar Ramanathan | 6-3,3-6,2-6 |
| 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 |