Stadium: Hard 20 Round: 27 Ground: Hardcourt outdoor
| 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 |
| ITF M25 Quinta Do Lago | 2021/10/20 14:30 | Harry Wendelken v Fred Gil | 6-4,7-6 |
| ITF M15 Heraklion | 2021/12/02 08:40 | Sidane Pontjodikromo v Nikolay Nedelchev | 4-6,6-4,6-2 |
| ITF M15 Heraklion | 2021/11/30 08:30 | Mika Lipp v Sidane Pontjodikromo | 2-6,5-7 |
| ITF M15 Heraklion | 2021/11/21 07:00 | Pijus Vaitiekunas v Sidane Pontjodikromo | 2-6,6-3,5-10 |
| ITF M25 Villers Les Nancy | 2021/11/09 08:55 | Sidane Pontjodikromo v Blake Ellis | 3-6,5-7 |
| ITF M25 Saint Dizier | 2021/11/04 15:00 | Antoine Escoffier v Sidane Pontjodikromo | 6-4,6-3 |
| ITF M25 Saint Dizier | 2021/11/02 13:05 | Boris Fassbender v Sidane Pontjodikromo | 4-6,3-6 |
| ITF M25 Sarreguemines | 2021/10/26 09:55 | Sidane Pontjodikromo v Constantin Bittoun Kouzmine | 6-3,5-7,3-6 |
| ITF M25 Sarreguemines | 2021/10/25 11:10 | Sidane Pontjodikromo v Paul-Georg Guenther | 6-2,6-3 |