| Challenger - Ochsenhausen | 2020/11/18 11:30 | Deni Kozul v Evgueni Chtchetinine | L | 0-3 |
| Challenger - Ochsenhausen | 2020/11/18 09:30 | Deni Kozul v Francisco Sanchi | W | 3-1 |
| Portugalia - Open | 2020/02/14 14:50 | Deni Kozul v Vladimir Sidorenko | L | 1-4 |
| Spanish Open | 2020/02/07 14:25 | Alvaro Robles v Deni Kozul | L | 4-0 |
| Spanish Open | 2020/02/06 19:55 | Tamas Lakatos v Deni Kozul | W | 1-4 |
| Spanish Open | 2020/02/06 14:55 | Youssef Abdel-Aziz v Deni Kozul | W | 1-4 |
| Austrian Open | 2019/11/12 18:30 | Deni Kozul v Panagiotis Gionis | L | 1-4 |
| Belarus Open | 2019/11/01 10:05 | Kaiyang Lu v Deni Kozul | W | 1-4 |
| Challenger - Ochsenhausen | 2020/11/18 10:50 | Dauud Cheaib v Carlos Ishida | L | 3-1 |
| Challenger - Ochsenhausen | 2020/11/18 08:10 | Sven Happek v Carlos Ishida | W | 1-3 |
| Challenger - Ochsenhausen | 2020/10/13 09:40 | Alberto Mino v Carlos Ishida | L | 3-0 |
| Challenger - Ochsenhausen | 2020/10/13 08:20 | Liang Qiu v Carlos Ishida | L | 3-0 |
| Challenger - Ochsenhausen | 2020/10/12 18:00 | Mihai Bobocica v Carlos Ishida | L | 3-1 |
| Challenger - Ochsenhausen | 2020/10/12 16:00 | Francisco Sanchi v Carlos Ishida | L | 3-0 |
| Challenger - Ochsenhausen | 2020/10/12 12:30 | Emiliano Riofrio v Carlos Ishida | W | 1-3 |
| Challenger - Ochsenhausen | 2020/10/12 11:10 | Daniel Gorak v Carlos Ishida | L | 3-1 |