Stadium: Ochsenhausen, Germany
| Challenger Ochsenhausen | 2022/05/19 16:30 | Alvaro Gainza v Sven Happek | W | 1-3 |
| Challenger Series TT | 2023/02/27 17:30 | Sven Happek v Dillon Chambers | W | 3-2 |
| Challenger Series TT | 2023/02/27 12:50 | Sven Happek v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/02/27 10:10 | Sven Happek v Martin Andersen | L | 0-3 |
| Challenger Series TT | 2023/02/27 07:30 | Sven Happek v Sushmit Sriram | L | 0-3 |
| Challenger Series TT | 2023/01/24 09:30 | Sven Happek v Martin Andersen | W | 3-1 |
| Challenger Series TT | 2023/01/24 07:30 | Sven Happek v Enio Mendes | L | 0-3 |
| Challenger Series TT | 2023/01/23 17:30 | Sven Happek v Enzo Angles | L | 1-3 |
| Challenger Series TT | 2023/01/23 16:50 | Sven Happek v Tibor Spanik | L | 0-3 |
| Challenger Series TT | 2023/02/27 16:50 | Alvaro Gainza v Remy Pham | W | 3-2 |
| Challenger Series TT | 2023/02/27 14:10 | Alvaro Gainza v Emiliano Riofrio | W | 3-1 |
| Challenger Series TT | 2023/02/27 12:10 | Alvaro Gainza v Sushmit Sriram | L | 1-3 |
| Challenger Series TT | 2023/02/27 09:30 | Alvaro Gainza v Dillon Chambers | L | 2-3 |
| TT Star Series | 2023/02/14 11:45 | Viktor Yefimov v Alvaro Gainza | L | 3-0 |
| TT Star Series | 2023/02/14 09:15 | David Reitspies v Alvaro Gainza | L | 3-0 |
| TT Star Series | 2023/02/14 07:35 | Mohamed Shouman v Alvaro Gainza | L | 3-1 |
| TT Star Series | 2023/02/13 14:45 | Alvaro Gainza v Michal Blinka | L | 2-3 |