| Challenger - Ochsenhausen | 2018/10/22 15:20 | Jakub Kosowski v Koyo Kanamitsu | W | 3-0 |
| Challenger - Ochsenhausen | 2019/08/26 17:20 | Jakub Kosowski v Yannick Vostes | L | 1-3 |
| Challenger - Ochsenhausen | 2019/08/26 11:50 | Jakub Kosowski v Romain Lorentz | W | 3-1 |
| Challenger - Ochsenhausen | 2019/08/26 09:10 | Jakub Kosowski v Andriy Sitak | L | 2-3 |
| Challenger - Ochsenhausen | 2019/08/26 06:30 | Jakub Kosowski v Pawel Grela | W | 3-1 |
| Challenger - Ochsenhausen | 2019/08/02 13:00 | Jakub Kosowski v Miroslav Horejsi | L | 0-3 |
| Challenger - Ochsenhausen | 2019/08/02 11:25 | Jiri Vrablik v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2019/08/02 09:50 | Jakub Kosowski v Jiri Vrablik | L | 2-3 |
| Challenger - Ochsenhausen | 2019/08/02 07:10 | Jakub Kosowski v Josip Huzjak | W | 3-0 |
| Challenger - Ochsenhausen | 2019/08/26 16:40 | Koyo Kanamitsu v Daniel Kriston | W | 3-0 |
| Challenger - Ochsenhausen | 2019/08/26 14:00 | Koyo Kanamitsu v Antonin Gavlas | W | 3-1 |
| Challenger - Ochsenhausen | 2019/08/26 11:10 | Koyo Kanamitsu v Pawel Grela | W | 3-0 |
| Challenger - Ochsenhausen | 2019/08/26 08:30 | Yannick Vostes v Koyo Kanamitsu | W | 2-3 |
| Czech Open | 2019/08/20 08:15 | Koyo Kanamitsu v Heyi Yu | W | 4-2 |
| Challenger - Ochsenhausen | 2019/03/12 15:00 | Tomas Konecny v Koyo Kanamitsu | W | 1-3 |
| Challenger - Ochsenhausen | 2019/03/12 14:15 | Lehel Demeter v Koyo Kanamitsu | W | 1-3 |
| Challenger - Ochsenhausen | 2019/03/12 10:00 | Lehel Demeter v Koyo Kanamitsu | L | 3-1 |