| World Championships WD | 2021/12/13 08:55 | Frost K / Ryan M v Muller / Stadelmann | W | 0-2 |
| Dutch Open WD | 2021/10/16 08:00 | Muller / Stadelmann v Magnusson/Nistad | L | 0-2 |
| Dutch Open WD | 2021/10/15 15:10 | Muller / Stadelmann v 오 영 S / 호흐마이어 K | W | 2-1 |
| Dutch Open WD | 2021/10/14 18:25 | Muller / Stadelmann v Lammertyn/Laurens | W | 2-0 |
| Spain Int WD | 2021/06/18 15:05 | 로페즈 P / 유슬레 L v Muller / Stadelmann | L | 2-0 |
| Spain Int WD | 2021/06/18 10:45 | Muller / Stadelmann v 오 영 S / 호흐마이어 K | W | 2-0 |
| Spain Int WD | 2021/06/17 16:20 | Muller / Stadelmann v Alonso/Ibanez | W | 2-0 |
| Austrian Open WD | 2021/05/30 08:00 | Istarani/Kani v Muller / Stadelmann | L | 2-0 |
| World Tour Finals WD | 2021/12/05 05:00 | 김 S Y / 공 H Y v 마쓰야마 N / 시다 C | W | 2-0 |
| World Tour Finals WD | 2021/12/03 03:30 | 키티타라쿨 J / 프라종자이 R v 김 S Y / 공 H Y | W | 1-2 |
| World Tour Finals WD | 2021/12/02 02:40 | 김 S Y / 공 H Y v 폴리 G / 라하유 A | W | 2-0 |
| World Tour Finals WD | 2021/12/01 02:40 | 김 S Y / 공 H Y v Tan/Muralitharan | W | 2-0 |
| Indonesia Open WD | 2021/11/26 11:00 | 김 S Y / 공 H Y v Baek H N / Lee Y R | L | 1-2 |
| Indonesia Open WD | 2021/11/25 01:40 | 김 S Y / 공 H Y v Jeong N E / Kim H J | W | 2-1 |
| Indonesia Masters WD | 2021/11/20 09:00 | 김 S Y / 공 H Y v Jeong N E / Kim H J | L | 0-2 |
| Indonesia Masters WD | 2021/11/19 06:55 | 김 S Y / 공 H Y v 호시 C/마쓰다 A | W | 2-1 |