Results
| Challenger Series TT | 07/22 10:30 | 50 | William Koehl v Sven Happek | W | 3-0 | |
| Challenger Series TT | 07/22 09:15 | 2 | Mike Hollo v William Koehl | L | 3-2 | |
| Challenger Series TT | 07/22 06:30 | - | Thomas Pellny v William Koehl | L | 3-1 | |
| Challenger Series TT | 07/21 16:30 | - | Manuel Kupfer v William Koehl | W | 0-3 | |
| Challenger Series TT | 07/21 15:00 | - | Mike Hollo v William Koehl | L | 3-1 | |
| Challenger Series TT | 07/21 13:30 | - | William Koehl v Samuel Amann | W | 3-0 | |
| Challenger Series TT | 07/21 11:30 | - | William Koehl v Mark Juhasz | W | 3-0 | |
| Challenger Series TT | 07/21 10:00 | - | William Koehl v Sven Happek | L | 0-3 | |
| Challenger Series TT | 07/21 08:00 | - | Oleksii Naplokov v William Koehl | W | 2-3 | |
| Challenger Series TT | 07/15 10:30 | 1 | Dennis Klein v William Koehl | L | 3-0 | |
| Challenger Series TT | 07/15 09:15 | 2 |
Guria Lanchkhuti
v
William Koehl |
W | 1-3 | |
| Challenger Series TT | 07/15 07:30 | - | William Koehl v Dennis Klein | L | 0-3 |