Head to Head
| Bulgaria Open | 2018/08/18 11:40 | Koki Niwa v Xin Xu | L | 0-4 |
Home History
| Qatar Open | 2020/03/05 16:50 | Koki Niwa v Emmanuel Lebesson | W | 4-1 |
| Hungarian Open | 2020/02/20 16:50 | Benedikt Duda v Koki Niwa | L | 4-0 |
| Japan T League | 2020/02/16 04:40 | Kohei Sambe v Koki Niwa | W | 0-3 |
| Japan T League | 2020/02/09 03:30 | Koki Niwa v Truls Moregard | W | 3-0 |
| Japan T League | 2020/02/08 04:30 | Koki Niwa v Yuto Kizukuri | L | 2-3 |
| German Open | 2020/01/31 18:30 | Koki Niwa v Gaoyuan Lin | L | 3-4 |
| German Open | 2020/01/30 15:40 | Koki Niwa v Kanak Jha | W | 4-2 |
| Japan T League | 2020/01/26 04:30 | Koki Niwa v Yuto Muramatsu | L | 2-3 |
Away History
| Qatar Open | 2020/03/05 16:50 | Frane Kojic v Xin Xu | W | 1-4 |
| German Open | 2020/02/02 15:00 | Xin Xu v Long Ma | W | 4-0 |
| German Open | 2020/02/02 10:40 | Xin Xu v Gaoyuan Lin | W | 4-0 |
| German Open | 2020/02/01 18:00 | Xin Xu v Zihao Zhao | W | 4-0 |
| German Open | 2020/01/31 20:10 | Xin Xu v Mizuki Oikawa | W | 4-1 |
| German Open | 2020/01/30 15:40 | Xin Xu v Jaehyun An | W | 4-3 |
| World Tour Grand Finals | 2019/12/14 13:30 | Xin Xu v Long Ma | L | 2-4 |
| World Tour Grand Finals | 2019/12/13 12:40 | Xin Xu v Tomokazu Harimoto | W | 4-3 |