| TT Cup | 2021/07/16 07:25 | Tkachenko, Artem v Protopopov, Vitaly | L | 3-0 |
| TT Cup | 2021/06/14 09:10 | Protopopov, Vitaly v Tkachenko, Artem | W | 3-2 |
| TT Cup | 2021/06/14 05:40 | Tkachenko, Artem v Protopopov, Vitaly | W | 0-3 |
| TT Cup | 2021/06/11 19:05 | Tkachenko, Artem v Protopopov, Vitaly | W | 0-3 |
| TT Cup | 2021/06/11 15:35 | Tkachenko, Artem v Protopopov, Vitaly | L | 3-1 |
| TT Cup | 2021/05/11 16:45 | Protopopov, Vitaly v Tkachenko, Artem | L | 1-3 |
| TT Cup | 2021/05/10 12:40 | Protopopov, Vitaly v Tkachenko, Artem | W | 3-2 |
| TT Cup | 2021/04/18 12:40 | Tkachenko, Artem v Protopopov, Vitaly | L | 3-1 |
| TT Cup | 2021/04/15 16:45 | Protopopov, Vitaly v Tkachenko, Artem | L | 2-3 |
| TT Cup | 2021/04/15 15:35 | Protopopov, Vitaly v Tkachenko, Artem | L | 0-3 |
| TT Cup | 2021/04/14 19:05 | Protopopov, Vitaly v Tkachenko, Artem | L | 0-3 |
| TT Cup | 2021/04/14 12:40 | Tkachenko, Artem v Protopopov, Vitaly | L | 3-1 |
| TT Cup | 2021/02/27 11:15 | Protopopov, Vitaly v Tkachenko, Artem | W | 3-0 |