Head to Head
| Challenger Ochsenhausen | 2017/05/23 14:00 | Vitor Ishiy v Jakub Kosowski | W | 3-0 |
| Challenger Ochsenhausen | 2017/05/22 19:20 | Vitor Ishiy v Jakub Kosowski | W | 3-1 |
Home History
| Portugal Open | 2020/02/14 20:00 | Vitor Ishiy v Andreas Levenko | L | 1-4 |
| Portugal Open | 2020/02/14 14:50 | Vitor Ishiy v Sanil Shetty | W | 4-3 |
| German Open | 2020/01/28 16:35 | Aleksandar Karakasevic v Vitor Ishiy | W | 3-4 |
| Team World Cup | 2019/11/08 04:30 | Woojin Jang v Vitor Ishiy | L | 3-0 |
| Team World Cup | 2019/11/07 01:30 | Vitor Ishiy v Xavier Dixon | W | 3-0 |
| Team World Cup | 2019/11/06 08:30 | Vitor Ishiy v Dimitrij Ovtcharov | L | 1-3 |
| Swedish Open | 2019/10/01 12:30 | Vitor Ishiy v Youssef Abdel-Aziz | W | 4-0 |
| Paraguay Open | 2019/09/14 16:30 | Robert Gardos v Vitor Ishiy | L | 4-0 |
Away History
| Challenger Ochsenhausen | 2020/07/16 12:30 | Jakub Kosowski v Daniel Gorak | L | 1-3 |
| Challenger Ochsenhausen | 2020/07/16 11:10 | Nico Wenger v Jakub Kosowski | W | 1-3 |
| Challenger Ochsenhausen | 2020/07/16 09:10 | Evgueni Chtchetinine v Jakub Kosowski | W | 0-3 |
| Challenger Ochsenhausen | 2020/07/15 13:10 | Florian Bluhm v Jakub Kosowski | W | 0-3 |
| Challenger Ochsenhausen | 2020/07/15 09:50 | Jens Schabacker v Jakub Kosowski | W | 0-3 |
| Challenger Ochsenhausen | 2020/07/15 07:10 | Dauud Cheaib v Jakub Kosowski | L | 3-1 |
| Challenger Ochsenhausen | 2020/07/14 14:00 | Daniel Gorak v Jakub Kosowski | L | 3-1 |
| Challenger Ochsenhausen | 2020/07/14 13:15 | Jakub Kosowski v Liang Qiu | W | 3-1 |