| Challenger Ochsenhausen | 2017/01/27 09:30 | Petkov, Marko v Bence Majoros | L | 0-3 |
| Challenger Ochsenhausen | 2017/01/27 07:30 | Blaszcyk, Lucjan v Petkov, Marko | L | 3-0 |
| Challenger Ochsenhausen | 2017/01/27 07:18 | Lucjan Blaszcyk v Petkov, Marko | L | 3-0 |
| Challenger Ochsenhausen | 2017/01/26 11:30 | Josip Huzjak v Petkov, Marko | L | 3-0 |
| Challenger Ochsenhausen | 2017/01/26 09:30 | Kriston, Daniel v Petkov, Marko | L | 3-1 |
| Challenger Ochsenhausen | 2017/01/25 14:10 | Petkov, Marko v Rakov, Valerij | W | 3-0 |
| Challenger Ochsenhausen | 2017/01/25 11:30 | Petkov, Marko v Arcila, Carlos | L | 0-3 |
| Challenger Ochsenhausen | 2017/01/25 09:30 | Petkov, Marko v Kadlcek, Michal | W | 3-0 |
| Qatar Open 2019, MS | 2018/05/04 17:00 | Persson, Jon v Samuel Walker | L | 3-0 |
| Qatar Open 2019, MS | 2018/05/01 12:00 | Beh, Kun Ting v Samuel Walker | W | 1-3 |
| Qatar Open 2019, MS | 2018/04/30 18:00 | Koki Niwa v Samuel Walker | W | 0-3 |
| Qatar Open 2019, MS | 2018/04/29 16:00 | Samuel Walker v Aliaksandr Khanin | W | 3-1 |
| Qatar Open XD | 2018/04/14 07:20 | Gao, Ning v Samuel Walker | L | 4-0 |
| Qatar Open XD | 2018/04/09 05:05 | Bode Abiodun v Samuel Walker | L | 3-2 |
| Qatar Open XD | 2018/03/06 09:40 | Samuel Walker v Joe Seyfried | W | 4-1 |
| Qatar Open XD | 2018/02/24 12:40 | Long Ma v Samuel Walker | L | 3-0 |