| WTT Feeder Dusseldorf | 2022/01/12 10:45 | Alin Spelbus v Antoine Hachard | W | 3-2 |
| Qatar Open XD | 2019/01/15 10:40 | Ziyang Yu v Alin Spelbus | L | 4-1 |
| Qatar Open XD | 2018/08/21 09:40 | Alin Spelbus v Haidong Xu | L | 0-4 |
| Qatar Open XD | 2018/08/14 14:00 | Darko Jorgic v Alin Spelbus | L | 4-0 |
| Qatar Open XD | 2017/05/03 09:10 | Robert Floras v Alin Spelbus | L | 4-1 |
| Qatar Open XD | 2017/05/02 09:10 | Alin Spelbus v Matteo Mutti | L | 2-4 |
| Qatar Open XD | 2016/11/10 19:28 | Alin Spelbus v Tomislav Pucar | L | 0-3 |
| Qatar Open XD | 2016/11/09 15:17 | He Bai v Alin Spelbus | L | 4-2 |
| WTT Feeder Dusseldorf | 2022/01/12 11:30 | Adam Klajber v Alexander Chen | L | 2-3 |
| Challenger Ochsenhausen | 2021/11/16 12:40 | Adam Klajber v Sudhanshu Grover | L | 1-3 |
| Challenger Ochsenhausen | 2021/11/16 10:00 | Adam Klajber v Dennis Klein | L | 0-3 |
| Challenger Ochsenhausen | 2021/11/15 21:00 | Adam Klajber v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/11/15 16:20 | Adam Klajber v Andrei Putuntica | L | 1-3 |
| Challenger Ochsenhausen | 2021/11/15 13:30 | Adam Klajber v Miguel Chamorro | L | 0-3 |
| Challenger Ochsenhausen | 2021/11/15 10:10 | Guilherme Teodoro v Adam Klajber | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 08:10 | Adam Klajber v Evgueni Chtchetinine | L | 0-3 |