| Challenger Series TT | 2023/02/23 08:10 | Marcel Neumaier v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/02/24 11:30 | Marcel Neumaier v Rafael Turrini | L | 0-3 |
| Challenger Series TT | 2023/02/24 08:50 | Marcel Neumaier v Salim Karam | W | 3-1 |
| Challenger Series TT | 2023/02/23 20:10 | Marcel Neumaier v Norbert Tauler | L | 2-3 |
| Challenger Series TT | 2023/02/23 15:30 | Marcel Neumaier v Guilherme Teodoro | L | 0-3 |
| Challenger Series TT | 2023/02/23 13:30 | Marcel Neumaier v Jeromy Loffler | W | 3-2 |
| Challenger Series TT | 2023/02/23 10:10 | Florian Bluhm v Marcel Neumaier | L | 3-0 |
| Challenger Series TT | 2023/02/23 08:10 | Marcel Neumaier v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2022/09/20 09:50 | Michael Trink v Marcel Neumaier | L | 3-1 |
| Challenger Series TT | 2023/06/16 06:30 | Norbert Tauler v Dauud Cheaib | L | 3-2 |
| Challenger Series TT | 2023/06/15 17:10 | Dauud Cheaib v Liang Qiu | W | 3-1 |
| Challenger Series TT | 2023/06/15 13:50 | Dauud Cheaib v Jose Guillot | W | 3-1 |
| Challenger Series TT | 2023/06/15 12:30 | Zengyi Wang v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2023/06/15 10:30 | Enio Mendes v Dauud Cheaib | L | 3-2 |
| Challenger Series TT | 2023/06/15 07:50 | Yannick Vostes v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2023/05/30 07:50 | Carlo Rossi v Dauud Cheaib | L | 3-1 |
| Challenger Series TT | 2023/05/29 17:50 | Simon Berglund v Dauud Cheaib | L | 3-0 |