| Thomas Cup | 04/29 09:00 | - |
Kodai Naraoka
v
Kai Schaefer |
L | 2-0 | |
| Thomas Cup | 04/28 05:00 | - |
Tien Chen Chou
v
Kai Schaefer |
L | 2-1 | |
| European Championships | 04/10 17:00 | - |
Viktor Axelsen
v
Kai Schaefer |
L | 2-0 | |
| Spain Masters Qual | 03/26 09:45 | 4 |
Yushi Tanaka
v
Kai Schaefer |
L | 2-0 | |
| Polish Open | 03/23 15:00 | - |
Kai Schaefer v
Victor Kauffmann
|
L | 1-2 | |
| Polish Open | 03/23 09:00 | - |
Kalle Koljonen
v
Kai Schaefer |
W | 0-2 | |
| Polish Open | 03/22 14:40 | - |
Kai Schaefer v
Markus Barth
|
W | 2-0 | |
| Orleans Masters Qual | 03/12 13:40 | - |
Daniil Dubovenko
v
Kai Schaefer |
L | 2-1 | |
| Orleans Masters Qual | 03/12 11:55 | 4 | Kai Schaefer v Danylo Bosniuk | W | 2-0 | |
| Portugal Int. | 03/09 17:20 | - |
Matthias Kicklitz
v
Kai Schaefer |
L | 2-0 | |
| Portugal Int. | 03/09 10:40 | - | Kai Schaefer v Rafael Gavois | W | 2-0 | |
| Portugal Int. | 03/08 10:40 | - | Kai Schaefer v Aria Dinata | W | 2-1 | |
| German Open Qual | 02/27 08:00 | 4 |
S. Sankar Muthusamy Subramanian
v
Kai Schaefer |
L | 2-0 | |
| European Team Championships | 02/16 09:00 | - |
Jan Louda
v
Kai Schaefer |
L | 2-1 | |
| Azerbaijan Int. | 02/10 06:40 | - |
Daniil Dubovenko
v
Kai Schaefer |
L | 2-1 | |
| Azerbaijan Int. | 02/09 09:40 | - |
Kai Schaefer v
Giovanni Toti
|
W | 2-1 | |
| Swedish Open | 01/19 14:00 | - |
Kai Schaefer v
Enogat Roy
|
L | 0-2 | |
| Swedish Open | 01/19 13:00 | - | Kai Schaefer v Gregoire Deschamp | W | 2-0 | |
| Irish Open | 11/17 10:40 | - |
Pablo Abian
v
Kai Schaefer |
L | 2-1 | |
| Irish Open | 11/16 16:00 | - |
Kai Schaefer v
Joakim Oldorff
|
W | 2-1 | |
| Irish Open | 11/16 11:00 | - | Kai Schaefer v Gustav Bjorkler | W | 2-1 | |
| Korea Masters | 11/09 06:25 | - | Kai Schaefer v Kento Momota | L | 0-2 | |
| Korea Masters | 11/08 10:20 | 5 | Kai Schaefer v Luis Enrique Penalver | W | 2-1 | |
| Hylo Open | 11/01 09:40 | 5 |
Kai Schaefer v
Toma Junior Popov
|
L | 0-2 | |
| Abu Dhabi Masters | 10/18 13:05 | 5 |
Duc Phat Le
v
Kai Schaefer |
L | 2-1 | |
| Abu Dhabi Masters | 10/18 06:00 | 6 | Aashinsa Herath v Kai Schaefer | W | 0-2 | |
| Dutch Open | 10/13 12:30 | - |
Kai Schaefer v
Karan Rajan Rajarajan
|
L | 1-2 | |
| Dutch Open | 10/12 10:20 | - | Kai Schaefer v Gregoire Deschamp | W | 2-1 | |
| Scottish Open | 10/06 14:40 | - |
Collins Valentine Filimon
v
Kai Schaefer |
L | 2-1 | |
| Scottish Open | 10/06 09:20 | - | Bernardo Atilano v Kai Schaefer | W | 0-2 |
Wikipedia - Kai Schäfer
Kai Hendrik Schäfer (born 13 June 1993) is a German badminton player. He competed at the 2020 Tokyo Olympics.