Head to Head
| Open do Qatar - Feminino | 2018/10/20 17:45 | Koki Niwa v Gaoyuan Lin | L | 1-4 |
| Open do Catar - Duplas Mistas | 2017/09/23 14:00 | Gaoyuan Lin v Koki Niwa | L | 4-1 |
Home History
| Open da Alemanha | 2020/01/30 15:40 | Koki Niwa v Kanak Jha | W | 4-2 |
| Japão - T League | 2020/01/26 04:30 | Koki Niwa v Yuto Muramatsu | L | 2-3 |
| Japão - T League | 2020/01/25 09:40 | Koki Niwa v Masataka Morizono | W | 3-1 |
| Japão - T League | 2019/12/29 10:20 | Koki Niwa v Masataka Morizono | W | 3-0 |
| Taça do Mundo | 2019/11/30 10:15 | Tomokazu Harimoto v Koki Niwa | L | 4-3 |
| Taça do Mundo | 2019/11/30 03:15 | Sangsu Lee v Koki Niwa | W | 2-4 |
| T2 Diamond | 2019/11/23 12:00 | Koki Niwa v Tomokazu Harimoto | L | 2-4 |
| T2 Diamond | 2019/11/21 13:15 | Koki Niwa v Hugo Calderano | W | 4-2 |
Away History
| Open da Alemanha | 2020/01/30 15:40 | Yang Wang v Gaoyuan Lin | W | 0-4 |
| World Tour - Grande Final | 2019/12/14 12:40 | Gaoyuan Lin v Zhendong Fan | L | 2-4 |
| World Tour - Grande Final | 2019/12/13 11:15 | Gaoyuan Lin v Yun-Ju Lin | W | 4-0 |
| World Tour - Grande Final | 2019/12/13 03:40 | Gaoyuan Lin v Dimitrij Ovtcharov | W | 4-2 |
| T2 Diamond | 2019/11/24 04:45 | Yun-Ju Lin v Gaoyuan Lin | L | 4-0 |
| T2 Diamond | 2019/11/23 11:00 | Jun Mizutani v Gaoyuan Lin | W | 1-4 |
| T2 Diamond | 2019/11/22 04:00 | Mattias Falck v Gaoyuan Lin | W | 1-4 |
| Open da Áustria | 2019/11/15 17:40 | Zihao Zhao v Gaoyuan Lin | L | 4-2 |