| Challenger Ochsenhausen | 2018/02/08 12:10 | Chtchetinine, Evgueni v Sven Happek | W | 0-3 |
| Challenger Ochsenhausen | 2018/02/08 10:10 | Yannick Vostes v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2018/02/07 14:10 | Valuch, Alexander v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2018/02/07 10:50 | Miroslav Sklensky v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2018/02/07 08:10 | Karakasevic, Aleksandar v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2018/01/25 12:10 | Adam Szudi v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2018/01/25 10:10 | Nordberg, Hampus v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2018/01/24 14:10 | Enzo Angles v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2018/02/08 10:50 | Miroslav Sklensky v Santos, Vitor | L | 3-0 |
| Challenger Ochsenhausen | 2018/02/08 08:50 | Chtchetinine, Evgueni v Santos, Vitor | L | 3-0 |
| Challenger Ochsenhausen | 2018/02/07 13:30 | Karakasevic, Aleksandar v Santos, Vitor | L | 3-0 |
| Challenger Ochsenhausen | 2018/02/07 12:10 | Yannick Vostes v Santos, Vitor | L | 3-0 |
| Challenger Ochsenhausen | 2018/02/07 07:30 | Francisco Sanchi v Santos, Vitor | L | 3-2 |
| Qatar Open XD | 2017/05/04 13:40 | Gustavo Gomez v Santos, Vitor | L | 4-2 |
| Qatar Open XD | 2017/05/03 13:25 | Santos, Vitor v Yokota, Gustavo | L | 1-3 |