| Challenger Series TT | 11/22 10:10 | - | Josip Huzjak v Felix Kleeberg | L | 3-1 | |
| Challenger Series TT | 11/22 07:30 | - | Rafael Turrini v Felix Kleeberg | L | 3-2 | |
| Challenger Series TT | 11/21 19:30 | - | Felix Kleeberg v Felix Kohler | L | 1-3 | |
| Challenger Series TT | 11/21 16:10 | - | Felix Kleeberg v Eduardo Gonzalez | W | 3-2 | |
| Challenger Series TT | 11/21 14:10 | - | Florian Bluhm v Felix Kleeberg | L | 3-0 | |
| Challenger Series TT | 11/21 11:30 | - | Sven Happek v Felix Kleeberg | L | 3-1 | |
| Challenger Series TT | 11/21 08:50 | - | Salim Karam v Felix Kleeberg | W | 0-3 | |
| Challenger Series TT | 08/26 09:50 | - | Felix Kleeberg v Damian Zech | W | 3-1 | |
| Challenger Series TT | 08/26 06:30 | - | Felix Kleeberg v Simon Berglund | L | 1-3 | |
| Challenger Series TT | 08/25 17:50 | - | Felix Kleeberg v Siddharta Almeida | W | 3-1 | |
| Challenger Series TT | 08/25 16:30 | - | Felix Kleeberg v Emiliano Riofrio | - | CANC | |
| Challenger Series TT | 08/25 16:30 | - | Felix Kleeberg v Mohammadali Rouintanesfahani | L | 1-3 |