Face à face
| German Open 2020, WD | 2017/11/10 14:30 | Jeong, Sangeun v Koki Niwa | L | 4-2 |
| Qatar Open XD | 2017/04/16 06:30 | Jeong, Sangeun v Koki Niwa | L | 3-2 |
Home History
| Qatar Open 2019, MS | 2018/06/08 04:30 | Koki Niwa v Yoshimura, Kazuhiro | L | 2-4 |
| République tchèque - Extraleague | 2018/06/02 06:10 | Zhendong Fan v Koki Niwa | L | 4-1 |
| République tchèque - Extraleague | 2018/06/01 11:40 | Liam Pitchford v Koki Niwa | W | 3-4 |
| République tchèque - Extraleague | 2018/05/31 08:40 | Tokic, Bojan v Koki Niwa | W | 2-4 |
| Qatar Open 2019, MS | 2018/05/03 12:00 | Siu Hang Lam v Koki Niwa | W | 0-3 |
| Qatar Open 2019, MS | 2018/04/30 18:00 | Koki Niwa v Samuel Walker | L | 0-3 |
| Qatar Open 2019, MS | 2018/04/30 08:30 | Platonov, Pavel v Koki Niwa | W | 2-3 |
| Qatar Open 2019, MS | 2018/04/29 15:00 | Cedric Nuytinck v Koki Niwa | W | 0-3 |
Away History
| Qatar Open XD | 2018/07/18 10:55 | Jeong, Sangeun v An Yan | W | 4-1 |
| Qatar Open XD | 2018/07/18 01:15 | Jeong, Sangeun v Qihao Zhou | W | 4-2 |
| Qatar Open 2019, MS | 2018/06/08 06:10 | Zhou, Yu v Jeong, Sangeun | L | 4-0 |
| République tchèque - Extraleague | 2018/06/01 06:40 | Jeong, Sangeun v Gaoyuan Lin | L | 0-4 |
| Qatar Open XD | 2018/05/30 10:00 | Kou, Lei v Jeong, Sangeun | W | 1-4 |
| Qatar Open XD | 2018/05/30 04:30 | Yang, Heng-Wei v Jeong, Sangeun | W | 2-4 |
| République tchèque - Extraleague | 2018/05/24 12:10 | Jeong, Sangeun v Jonghoon Lim | L | 1-4 |
| German Open 2020, WD | 2018/03/23 18:30 | Jeong, Sangeun v Chun Ting Wong | L | 2-4 |