| ITF M15 Gdynia | 2021/08/10 08:00 | Luke Johnson v Harry Wendelken | 6-3,6-7,10-5 |
| ITF M15 Heraklion | 2021/05/27 06:30 | Luke Johnson v Harry Wendelken | 6-2,6-7,6-3 |
| ITF M25 Austin | 2021/11/16 20:00 | Philip Henning v Luke Johnson | 6-4,6-4 |
| ITF M25 Harlingen | 2021/11/10 18:05 | Luke Johnson v Matias Franco Descotte | 6-7,4-6 |
| ITF M15 Ithaca | 2021/11/07 14:55 | Cannon Kingsley v Luke Johnson | 6-3,4-6,6-7 |
| ITF M15 Ithaca | 2021/11/06 13:55 | Luke Johnson v Vasil Kirkov | 6-1,6-1 |
| ITF M15 Ithaca | 2021/11/05 14:00 | Luke Johnson v Nico Mostardi | 6-0,6-0 |
| ITF M15 Ithaca | 2021/11/04 13:55 | Luke Johnson v Connor Farren | 6-7,6-3,6-2 |
| ITF M15 Ithaca | 2021/11/03 14:00 | Luke Johnson v Aidan Mayo | 6-0,5-7,6-2 |
| Challenger Brest | 2021/10/24 11:50 | Luke Johnson v Zsombor Piros | 5-7,6-7 |
| ITF M15 Heraklion | 2021/12/03 08:00 | Harry Wendelken v Sidane Pontjodikromo | 6-3,0-6,2-6 |
| ITF M15 Heraklion | 2021/12/02 07:00 | Roi Ginat v Harry Wendelken | 6-3,3-6,2-6 |
| ITF M15 Heraklion | 2021/11/30 08:30 | Pavlos Tsitsipas v Harry Wendelken | 1-6,2-6 |
| ITF M15 Heraklion | 2021/11/25 07:30 | Nicholas David Ionel v Harry Wendelken | 6-4,6-7,6-3 |
| ITF M15 Heraklion | 2021/11/24 07:00 | Harry Wendelken v Tristan Schoolkate | 6-3,6-3 |
| ITF M15 Heraklion | 2021/11/23 07:00 | Harry Wendelken v Radu F Macovei | 6-0,6-0 |
| ITF M25 Quinta Do Lago | 2021/10/22 11:55 | Harry Wendelken v Arthur Cazaux | 6-7,4-6 |
| ITF M25 Quinta Do Lago | 2021/10/21 11:20 | Skander Mansouri v Harry Wendelken | 3-6,2-6 |