| Mistrzostwa Europy | 2021/06/22 11:20 | Deni Kozul v Lev Katsman | W | 0-3 |
| Ukraine Win Cup | 2021/06/04 10:30 | Roman Derypaska v Lev Katsman | L | 3-2 |
| Ukraine Win Cup | 2021/06/04 08:30 | Lev Katsman v Valentyn Yunchyk | L | 0-3 |
| Russia Championship | 2021/04/17 14:30 | Maksim Grebnev v Lev Katsman | L | 3-2 |
| Russia Championship | 2021/04/16 16:30 | Aleksei Zhukov v Lev Katsman | L | 3-2 |
| Russia Team Championships | 2021/04/14 14:50 | Lev Katsman v Saadi Ismailov | W | 3-1 |
| Russia Team Championships | 2021/04/14 07:00 | Lev Katsman v Viacheslav Burov | W | 3-1 |
| Russia Team Championships | 2021/04/13 09:20 | Lev Katsman v Artur Atskanov | W | 3-0 |
| Challenger Series TT | 2021/05/23 15:28 | Panagiotis Gionis v Jakub Dyjas | L | 1-2 |
| Challenger Series TT | 2021/05/23 13:44 | Panagiotis Gionis v Andrej Gacina | W | 3-2 |
| Olympic Qualification | 2021/04/25 16:10 | Panagiotis Gionis v Pavel Sirucek | W | 4-1 |
| Olympic Qualification | 2021/04/25 10:40 | Rares Sipos v Panagiotis Gionis | W | 0-4 |
| Olympic Qualification | 2021/04/24 18:55 | Panagiotis Gionis v Lubomir Pistej | W | 4-3 |
| Olympic Qualification | 2021/04/23 12:30 | Panagiotis Gionis v Alvaro Robles | L | 3-4 |
| Challenger Ochsenhausen | 2021/04/07 17:28 | Patryk Chojnowski v Panagiotis Gionis | W | 0-2 |
| Olympic Qualification | 2021/03/16 16:10 | Panagiotis Gionis v Ovidiu Ionescu | W | 4-2 |