| Ukraine Win Cup | 2021/04/02 07:30 | Ivchenko, K. v Andrei Kostiuk | W | 0-3 |
| Ukraine Win Cup | 2021/03/26 11:00 | Andrei Kostiuk v Ivchenko, K. | W | 3-1 |
| Ukraine Win Cup | 2021/03/26 08:00 | Ivchenko, K. v Andrei Kostiuk | L | 3-1 |
| Ukraine Win Cup | 2021/03/15 11:00 | Andrei Kostiuk v Ivchenko, K. | W | 3-1 |
| Ukraine Win Cup | 2021/03/15 08:00 | Ivchenko, K. v Andrei Kostiuk | W | 0-3 |
| Ukraine Win Cup | 2021/03/10 09:00 | Ivchenko, K. v Andrei Kostiuk | W | 1-3 |
| Ukraine Win Cup | 2021/03/10 06:00 | Andrei Kostiuk v Ivchenko, K. | W | 3-0 |
| Ukraine Win Cup | 2021/01/04 16:30 | Andrei Kostiuk v Ivchenko, K. | L | 2-3 |
| Ukraine Win Cup | 2021/04/02 09:30 | Andrei Kostiuk v Sorokin, Vladimir | L | 1-3 |
| Ukraine Win Cup | 2021/04/02 08:00 | Andrei Kostiuk v Ivchenko, Denis | L | 2-3 |
| Ukraine Win Cup | 2021/04/02 07:30 | Ivchenko, K. v Andrei Kostiuk | W | 0-3 |
| Ukraine Win Cup | 2021/04/02 06:30 | Sorokin, Vladimir v Andrei Kostiuk | W | 0-3 |
| Ukraine Win Cup | 2021/04/02 05:00 | Ivchenko, Denis v Andrei Kostiuk | W | 0-3 |
| TT Cup | 2021/03/30 22:20 | Arzanov, Dmitry v Andrei Kostiuk | W | 2-3 |
| TT Cup | 2021/03/30 19:20 | Arzanov, Dmitry v Andrei Kostiuk | W | 2-3 |
| TT Cup | 2021/03/30 17:35 | Andrei Kostiuk v Arzanov, Dmitry | L | 1-3 |
| Ukraine Win Cup | 2021/04/02 09:00 | Ivchenko, K. v Ivchenko, Denis | L | 1-3 |
| Ukraine Win Cup | 2021/04/02 08:30 | Ivchenko, K. v Sorokin, Vladimir | W | 3-2 |
| Ukraine Win Cup | 2021/04/02 07:30 | Ivchenko, K. v Andrei Kostiuk | L | 0-3 |
| Ukraine Win Cup | 2021/04/02 06:00 | Ivchenko, Denis v Ivchenko, K. | W | 2-3 |
| Ukraine Win Cup | 2021/04/02 05:30 | Sorokin, Vladimir v Ivchenko, K. | W | 2-3 |
| Ukraine Win Cup | 2021/04/01 10:30 | Zaitsev, Andrii v Ivchenko, K. | L | 3-0 |
| Ukraine Win Cup | 2021/04/01 09:00 | Ivchenko, K. v Aleksandr Braslavets | L | 2-3 |
| Ukraine Win Cup | 2021/04/01 08:30 | Ivchenko, K. v Ivchenko, Denis | L | 1-3 |