| Challenger Series TT | 2022/09/19 07:10 | Guilherme Teodoro v Marcel Neumaier | L | 3-0 |
| 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 | 2022/09/20 08:30 | Marcel Neumaier v Liang Qiu | L | 0-3 |
| Challenger Series TT | 2022/09/19 18:30 | Alberto Lillo v Marcel Neumaier | W | 1-3 |
| Challenger Series TT | 2022/09/19 15:50 | Sven Happek v Marcel Neumaier | W | 1-3 |
| Challenger Series TT | 2022/09/19 13:50 | Tal Israeli v Marcel Neumaier | L | 3-0 |
| Challenger Series TT | 2023/02/23 12:50 | Florian Bluhm v Guilherme Teodoro | W | 1-3 |
| Challenger Series TT | 2023/02/23 10:50 | Guilherme Teodoro v Dauud Cheaib | W | 3-2 |
| Challenger Series TT | 2023/02/23 08:50 | Guilherme Teodoro v Rafael Turrini | W | 3-1 |
| WTT Feeder Dusseldorf Quals | 2023/02/14 09:45 | Guilherme Teodoro v Kwan To Yiu | L | 0-3 |
| Challenger Series TT | 2023/01/31 13:50 | Josip Huzjak v Guilherme Teodoro | L | 3-0 |
| Challenger Series TT | 2023/01/31 13:05 | Guilherme Teodoro v Albert Vilardell | L | 2-3 |
| Challenger Series TT | 2023/01/31 10:50 | Florian Bluhm v Guilherme Teodoro | L | 3-0 |
| Challenger Series TT | 2023/01/31 09:30 | Guilherme Teodoro v Samuel Amann | W | 3-0 |