| UTR Pro Tennis Series Mulheim | 2022/06/29 09:00 | Andre Rodeia v Johann Willems | 3-6,6-7 |
| UTR Pro Tennis Series Mulheim | 2022/06/28 09:00 | Grigoriy Lomakin v Johann Willems | 6-7,5-6 |
| ITF M15 Kamen | 2022/06/22 14:30 | Johann Willems v Oscar Moraing | 6-7,5-7 |
| ITF M15 Kamen | 2022/06/21 08:00 | Paul Woerner v Johann Willems | 3-6,1-6 |
| ITF M15 Kamen | 2022/06/20 11:00 | Johann Willems v Stepan Pecak | 6-0,6-1 |
| UTR Pro Tennis Series Bucharest | 2022/03/08 11:00 | Yanais Laurent v Johann Willems | 6-1,3-1 |
| UTR Pro Tennis Series Bucharest | 2022/03/07 12:30 | Johann Willems v Mihnea Petru Zaharia | 6-2,6-1 |
| UTR Pro Tennis Series Dobrich | 2022/02/25 07:30 | Johann Willems v Petr Nesterov | 3-6,6-3,6-6 |
| UTR Pro Tennis Series Mulheim | 2022/06/28 13:30 | Andre Rodeia v Leopold Zima | 6-7,5-6 |
| Challenger Luedenscheid | 2022/06/26 13:15 | Hamad Medjedovic v Leopold Zima | 6-1,6-0 |
| ITF M25 Klosters | 2022/06/23 13:00 | Sandro Kopp v Leopold Zima | 6-7,6-4,6-4 |
| ITF M25 Klosters | 2022/06/21 08:30 | Facundo Yunis v Leopold Zima | 6-7,4-6 |
| ITF M25 Kalmar | 2022/05/12 08:15 | Arslanbek Temirhanov v Leopold Zima | 6-1,6-4 |
| ITF M25 Kalmar | 2022/05/11 08:15 | Kevin Edengren v Leopold Zima | 5-7,2-6 |
| ITF M15 Meerbusch | 2022/05/03 08:00 | Leopold Zima v Marco De Rossi | 6-7,6-3,8-10 |
| ITF M15 Meerbusch | 2022/05/02 08:00 | Leopold Zima v Felix Mischker | 6-4,6-1 |