Head to Head
| T2 Diamond | 2019/07/19 10:00 | Koki Niwa v Mattias Falck | L | 2-4 |
| Bulgaria Open | 2018/08/17 15:20 | Koki Niwa v Mattias Falck | W | 4-2 |
Home History
| Austrian Open | 2019/11/14 17:20 | Koki Niwa v Benedikt Duda | W | 4-2 |
| Team World Cup | 2019/11/06 09:00 | Koki Niwa v Daniel Habesohn | W | 3-2 |
| Team World Cup | 2019/11/06 03:30 | Liam Pitchford v Koki Niwa | L | 3-0 |
| German Open | 2019/10/11 16:40 | Youngsik Jeoung v Koki Niwa | L | 4-3 |
| German Open | 2019/10/10 14:40 | Kenta Matsudaira v Koki Niwa | W | 1-4 |
| Swedish Open | 2019/10/04 16:00 | Koki Niwa v Simon Gauzy | L | 2-4 |
| Swedish Open | 2019/10/03 18:30 | Koki Niwa v Takuya Jin | W | 4-2 |
| Paraguay Open | 2019/09/12 18:00 | Koki Niwa v Kai Zhang | L | 2-4 |
Away History
| Austrian Open | 2019/11/14 14:00 | Yu Zhou v Mattias Falck | W | 3-4 |
| Swedish Open | 2019/10/03 15:10 | Mattias Falck v Zihao Zhao | L | 2-4 |
| Euro Team Champs | 2019/09/07 15:30 | Marcos Freitas v Mattias Falck | L | 3-1 |
| Euro Team Champs | 2019/09/07 14:30 | Tiago Apolonia v Mattias Falck | L | 3-2 |
| Euro Team Champs | 2019/09/06 11:30 | Paul Drinkhall v Mattias Falck | W | 1-3 |
| Euro Team Champs | 2019/09/05 11:30 | Rares Sipos v Mattias Falck | W | 2-3 |
| Euro Team Champs | 2019/09/04 15:30 | Adam Szudi v Mattias Falck | W | 2-3 |
| Euro Team Champs | 2019/09/04 14:30 | Bence Majoros v Mattias Falck | L | 3-1 |