| Ukraine Win Cup | 2021/03/04 12:30 | Sergey Pisklov v Kireev, Sergey | W | 1-3 |
| Ukraine Win Cup | 2021/02/27 01:50 | Kireev, Sergey v Polusmuak, Valentin | L | 0-3 |
| Ukraine Win Cup | 2021/02/27 01:15 | Nikolay Ozhiganov v Kireev, Sergey | L | 3-1 |
| Ukraine Win Cup | 2021/02/27 00:05 | Gaynyuk, Vladimir v Kireev, Sergey | W | 2-3 |
| Ukraine Win Cup | 2021/02/26 22:20 | Polusmuak, Valentin v Kireev, Sergey | L | 3-2 |
| Ukraine Win Cup | 2021/02/26 21:45 | Kireev, Sergey v Nikolay Ozhiganov | L | 1-3 |
| Ukraine Win Cup | 2021/02/26 20:35 | Kireev, Sergey v Gaynyuk, Vladimir | L | 0-3 |
| Ukraine Win Cup | 2021/02/22 19:00 | ヴィタリー・フセーエフ v Kireev, Sergey | W | 1-3 |
| Ukraine Win Cup | 2021/03/04 13:00 | Sergey Kharchenko v Chukanov, Marat | L | 1-3 |