| UTR Pro Tennis Series Mulheim | 2022/07/01 06:00 | Willems, Johann v Calvo Barcelo, Fermin | 5-7,6-4,6-6 |
| UTR Pro Tennis Series Mulheim | 2022/06/30 07:30 | Willems, Johann v Leopold Zima | 6-3,5-3 |
| UTR Pro Tennis Series Mulheim | 2022/06/29 09:00 | Rodeia, Andre v Willems, Johann | 3-6,6-7 |
| UTR Pro Tennis Series Mulheim | 2022/06/28 09:00 | Grigoriy Lomakin v Willems, Johann | 6-7,5-6 |
| ITF M15 Kamen | 2022/06/22 14:30 | Willems, Johann v Oscar Moraing | 6-7,5-7 |
| ITF M15 Kamen | 2022/06/21 08:00 | Paul Woerner v Willems, Johann | 3-6,1-6 |
| ITF M15 Kamen | 2022/06/20 11:00 | Willems, Johann v Stepan Pecak | 6-0,6-1 |
| UTR Pro Tennis Series Bucharest | 2022/03/08 11:00 | Yanais Laurent v Willems, Johann | 6-1,3-1 |
| UTR Pro Tennis Series Mulheim | 2022/06/30 10:30 | Tom Gentzsch v Nathan Guiovanna | 6-3,5-4 |
| UTR Pro Tennis Series Mulheim | 2022/06/29 07:30 | Tom Gentzsch v Oumaouche, Rayane | 7-6,6-3 |
| UTR Pro Tennis Series Mulheim | 2022/06/28 07:15 | Tom Gentzsch v John Sperle | 6-4,3-6,5-1 |
| ITF M15 Alkmaar | 2022/06/21 09:00 | Daniel Rincon v Tom Gentzsch | 6-2,7-5 |
| ITF M25 Alkmaar | 2022/06/20 08:00 | Tom Gentzsch v Lopez, Luis Humberto | 6-4,7-5 |
| ITF M25 Alkmaar | 2022/06/19 08:00 | Tom Gentzsch v Hoogland, Joris | 6-4,6-4 |
| ITF - M25 Martos | 2022/06/14 08:25 | Tom Gentzsch v Miguel Garcia | 6-7,6-4,9-11 |
| ITF - M25 Martos | 2022/06/13 15:00 | Tom Gentzsch v Mikel Martinez | 6-3,6-3 |