| Giraldilla Int. XD | 2018/04/06 07:30 | Kai Schaefer v Eetu Heino | W | 0-2 |
| European Club Championships | 2019/07/05 18:00 | Pablo Abian v Eetu Heino | L | 2-1 |
| European Club Championships | 2019/07/04 16:30 | Eetu Heino v Danylo Bosniuk | W | 2-0 |
| European Games | 2019/06/26 06:00 | Misha Zilberman v Eetu Heino | L | 2-0 |
| European Games | 2019/06/24 08:40 | Rosario Maddaloni v Eetu Heino | W | 0-2 |
| Spanish Int. | 2019/06/13 11:00 | Eetu Heino v Christo Popov | L | 1-2 |
| Slovenia Int. | 2019/05/16 14:30 | Mads Christophersen v Eetu Heino | L | 2-1 |
| Denmark Int. | 2019/05/10 09:30 | Eetu Heino v Subhankar Dey | L | 0-2 |
| Finnish Open | 2019/04/06 07:30 | Yu Hsien Lin v Eetu Heino | L | 2-1 |
| US Open | 2019/07/10 23:30 | Kai Schaefer v Xiaodong Sheng | L | 0-2 |
| Canada Open | 2019/07/03 20:20 | Kai Schaefer v Lucas Claerbout | L | 0-2 |
| Spanish Int. | 2019/06/14 08:00 | Kai Schaefer v Toby Penty | L | 0-2 |
| Spanish Int. | 2019/06/13 12:45 | Luis Enrique Penalver v Kai Schaefer | W | 0-2 |
| Azerbaijan Int. | 2019/06/08 14:00 | Rasmus Gemke v Kai Schaefer | L | 2-1 |
| Azerbaijan Int. | 2019/06/08 07:30 | Luis Enrique Penalver v Kai Schaefer | W | 0-2 |
| Azerbaijan Int. | 2019/06/07 12:00 | Giap Chin Goh v Kai Schaefer | W | 1-2 |
| Sudirman Cup | 2019/05/22 04:00 | Kai Schaefer v Jason Anthony Ho-Shue | W | 1-0 |