| Challenger Series TT | 09/27 09:10 | - | Mykhailo Mosiuk v Johannes Willeke | L | 3-1 | |
| Challenger Series TT | 09/26 17:30 | - | Johannes Willeke v Miguel Nunez Tapia | L | 2-3 | |
| Challenger Series TT | 09/26 16:00 | - | Samuel Amann v Johannes Willeke | W | 0-3 | |
| Challenger Series TT | 09/26 14:00 | - | Damian Zech v Johannes Willeke | W | 0-3 | |
| Challenger Series TT | 09/26 12:00 | - | Johannes Willeke v Michael Fuchs | L | 1-3 | |
| Challenger Series TT | 09/26 09:30 | - | Johannes Willeke v Szilard Kanabe | W | 3-2 | |
| Challenger Series TT | 09/26 08:00 | - |
Johannes Willeke v
Dimitrije Levajac
|
L | 0-3 | |
| Challenger Series TT | 09/03 12:15 | 50 | Johannes Willeke v Guillaume Alcayde | L | 1-3 | |
| Challenger Series TT | 09/03 10:45 | 2 | Jeromy Loffler v Johannes Willeke | L | 3-0 | |
| Challenger Series TT | 09/03 10:00 | - | Xavier Peral v Johannes Willeke | W | 0-3 | |
| Challenger Series TT | 09/02 17:00 | - | Tom Colvin v Johannes Willeke | W | 1-3 | |
| Challenger Series TT | 09/02 15:30 | - | Johannes Willeke v Dauud Cheaib | L | 0-3 | |
| Challenger Series TT | 09/02 13:00 | - | Johannes Willeke v Carlos Fernandez | W | 3-1 | |
| Challenger Series TT | 09/02 11:30 | - | Armin Alicic v Johannes Willeke | W | 0-3 | |
| Challenger Series TT | 09/02 09:30 | - | Guillaume Alcayde v Johannes Willeke | L | 3-0 | |
| Challenger Series TT | 09/02 07:30 | - | Jeromy Loffler v Johannes Willeke | L | 3-1 | |
| Challenger Series TT | 08/06 06:00 | - | Szilard Kanabe v Johannes Willeke | W | 1-3 | |
| Challenger Series TT | 08/05 16:30 | - | Minsu Kim v Johannes Willeke | L | 3-2 | |
| Challenger Series TT | 08/05 15:00 | - | Mykhailo Mosiuk v Johannes Willeke | L | 3-0 | |
| Challenger Series TT | 08/05 13:30 | - | Johannes Willeke v Vincent Senkbeil | L | 0-3 | |
| Challenger Series TT | 08/05 11:30 | - | Johannes Willeke v Kirill Fadeev | L | 1-3 | |
| Challenger Series TT | 08/05 10:00 | - | Johannes Willeke v Mike Hollo | L | 0-3 | |
| Challenger Series TT | 08/05 08:00 | - | Makoto Nogami v Johannes Willeke | W | 0-3 | |
| Challenger Series TT | 07/30 08:30 | - | Johannes Willeke v William Koehl | W | 3-2 | |
| Challenger Series TT | 07/30 06:30 | - | Johannes Willeke v Florian Bluhm | L | 1-3 | |
| Challenger Series TT | 07/29 16:00 | - | Johannes Willeke v Makoto Nogami | L | 0-3 | |
| Challenger Series TT | 07/29 12:30 | - | Johannes Willeke v Liang Qiu | L | 0-3 | |
| Challenger Series TT | 07/29 11:00 | - | Johannes Willeke v Dennis Klein | L | 2-3 | |
| Challenger Series TT | 07/29 08:30 | - | Max Klink v Johannes Willeke | W | 1-3 | |
| Challenger Series TT | 07/29 07:00 | - | Johannes Willeke v Fodor Csaba | W | 3-2 |