Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/09/25 11:10 | Armin Alicic v Marius Henninger | L | 1-3 |
| Challenger Series TT | 2023/09/25 08:30 | Dauud Cheaib v Armin Alicic | L | 3-1 |
| Challenger Series TT | 2023/09/12 07:50 | Hannes Hormann v Armin Alicic | W | 0-3 |
| Challenger Series TT | 2023/09/11 19:50 | Guillaume Alcayde v Armin Alicic | L | 3-0 |
| Challenger Series TT | 2023/09/11 17:50 | Oliver Both v Armin Alicic | L | 3-2 |
| Challenger Series TT | 2023/09/11 15:50 | Armin Alicic v Jeromy Loffler | L | 2-3 |
| Challenger Series TT | 2023/09/11 13:10 | Armin Alicic v Yannick Vostes | L | 0-3 |
| Challenger Series TT | 2023/09/11 11:10 | Armin Alicic v Amirreza Abbasi | L | 0-3 |
| Challenger Series TT | 2023/09/25 10:30 | Dauud Cheaib v Guilherme Teodoro | W | 0-3 |
| Challenger Series TT | 2023/09/25 07:50 | Alexander Valuch v Guilherme Teodoro | W | 1-3 |
| ITTF Pan American Championships | 2023/09/13 15:45 | Guilherme Teodoro v Santiago Lorenzo | L | 2-3 |
| ITTF Pan American Championships | 2023/09/13 00:30 | Marcos Madrid v Guilherme Teodoro | W | 1-4 |
| ITTF Pan American Championships | 2023/09/12 18:00 | Edward Ly v Guilherme Teodoro | L | 3-2 |
| WTT Contender Rio | 2023/08/10 22:15 | Guilherme Teodoro v Patrick Franziska | L | 0-3 |
| WTT Contender Rio Quals | 2023/08/09 17:40 | Guilherme Teodoro v Gustavo Gomez | W | 3-1 |
| WTT Contender Rio Quals | 2023/08/08 19:40 | Cheng-Ting Liao v Guilherme Teodoro | W | 2-3 |