| WTT Star Contender Doha | 2021/03/06 16:54 | Niagol Stoyanov v Nima Alamian | L | 1-3 |
| Challenger Ochsenhausen | 2020/09/25 09:50 | Daniel Gorak v Niagol Stoyanov | W | 1-3 |
| Challenger Ochsenhausen | 2020/09/25 07:50 | Jiri Martinko v Niagol Stoyanov | L | 3-0 |
| Challenger Ochsenhausen | 2020/09/24 11:10 | Niagol Stoyanov v Jakub Kosowski | L | 2-3 |
| Challenger Ochsenhausen | 2020/09/24 07:50 | Niagol Stoyanov v Miroslav Horejsi | L | 1-3 |
| Challenger Ochsenhausen | 2020/09/24 06:30 | Dauud Cheaib v Niagol Stoyanov | L | 3-0 |
| Challenger Ochsenhausen | 2020/09/23 10:30 | Alberto Mino v Niagol Stoyanov | L | 3-0 |
| Challenger Ochsenhausen | 2020/09/23 07:50 | Mihai Bobocica v Niagol Stoyanov | L | 3-0 |
| WTT Star Contender Doha | 2021/03/10 12:20 | Sharath Kamal Achanta v Dimitrij Ovtcharov | L | 0-3 |
| WTT Star Contender Doha | 2021/03/09 09:00 | Patrick Franziska v Sharath Kamal Achanta | W | 2-3 |
| WTT Star Contender Doha | 2021/03/08 13:15 | Brian Afanador v Sharath Kamal Achanta | W | 1-3 |
| WTT Contender Doha | 2021/03/04 11:40 | Sharath Kamal Achanta v Yun-Ju Lin | L | 0-3 |
| WTT Contender Doha | 2021/03/03 13:15 | Sharath Kamal Achanta v Pavel Sirucek | W | 3-2 |
| Oman Open | 2020/03/15 12:30 | Marcos Freitas v Sharath Kamal Achanta | W | 2-4 |
| Oman Open | 2020/03/15 08:30 | Sharath Kamal Achanta v Kirill Skachkov | W | 4-3 |
| Oman Open | 2020/03/14 16:05 | Sharath Kamal Achanta v Benedek Olah | W | 4-1 |