| Internacional de Kharkiv | 2019/09/06 07:30 | Eetu Heino v Kai Schaefer | W | 2-0 |
| Internacional de Giraldilla - Duplas Mistas | 2018/04/06 07:30 | Kai Schaefer v Eetu Heino | W | 0-2 |
| Open da Irlanda | 2019/11/14 12:30 | Eetu Heino v Max Weisskirchen | L | 0-2 |
| SaarLorLux Open | 2019/10/30 17:20 | Lakshya Sen v Eetu Heino | L | 2-1 |
| SaarLorLux Open | 2019/10/29 17:40 | Felix Hammes v Eetu Heino | W | 0-2 |
| Open da Holanda | 2019/10/10 15:10 | Eetu Heino v Daniel Nikolov | L | 1-2 |
| Open da Holanda | 2019/10/09 15:55 | Lucas Corvee v Eetu Heino | W | 1-2 |
| Open da Holanda | 2019/10/08 13:00 | Eetu Heino v Rasmus Messerschmidt | W | 2-1 |
| Internacional da Bélgica | 2019/09/12 15:20 | Eetu Heino v Lakshya Sen | L | 0-2 |
| Internacional da Bélgica | 2019/09/12 09:20 | Osleni Guerrero v Eetu Heino | W | 0-2 |
| Open da Irlanda | 2019/11/15 10:30 | Kai Schaefer v Pablo Abian | L | 0-2 |
| Open da Irlanda | 2019/11/14 19:45 | Max Weisskirchen v Kai Schaefer | W | 0-2 |
| Open da Irlanda | 2019/11/14 12:30 | Kai Schaefer v Yu Hsien Lin | W | 2-0 |
| SaarLorLux Open | 2019/10/30 17:20 | B.M. Rahul Bharadwaj v Kai Schaefer | L | 2-0 |
| Open da Holanda | 2019/10/10 13:40 | Felix Burestedt v Kai Schaefer | L | 2-1 |
| Open da Holanda | 2019/10/09 14:05 | Kai Schaefer v Sourabh Verma | W | 2-1 |
| Open da Holanda | 2019/10/08 15:15 | Kai Schaefer v Pablo Abian | W | 2-0 |
| Internacional da Bélgica | 2019/09/13 17:10 | Kai Schaefer v Victor Svendsen | L | 1-2 |