| Challenger Series TT | 06/22 12:30 | - | Dennis Klein v Johannes Willeke | L | 3-0 | |
| Challenger Series TT | 06/22 11:10 | - | Dauud Cheaib v Johannes Willeke | L | 3-0 | |
| Challenger Series TT | 06/22 06:30 | - | Tobias Slanina v Johannes Willeke | L | 3-2 | |
| Challenger Series TT | 06/20 08:30 | - | Jose Guillot v Johannes Willeke | L | 3-1 | |
| Challenger Series TT | 06/20 07:10 | - | Aljaz Godec v Johannes Willeke | L | 3-0 | |
| Challenger Series TT | 06/19 17:10 | - | Marco Stefanidis v Johannes Willeke | L | 3-0 | |
| Challenger Series TT | 06/19 15:10 | - |
Carlo Rossi
v
Johannes Willeke |
L | 3-0 | |
| Challenger Series TT | 06/19 12:30 | - | Sven Happek v Johannes Willeke | L | 3-1 | |
| Challenger Series TT | 06/19 11:10 | - | Akito Itagaki v Johannes Willeke | L | 3-1 | |
| Challenger Series TT | 06/19 06:30 | - | Dennis Klein v Johannes Willeke | L | 3-0 |