Head to Head
| Qatar Open Women | 2017/06/04 09:00 | Dimitrij Ovtcharov v Koki Niwa | L | 3-4 |
| Qatar Open Women | 2017/02/18 14:15 | Dimitrij Ovtcharov v Koki Niwa | W | 4-3 |
Home History
| Qatar Open Women | 2017/12/01 13:59 | Dimitrij Ovtcharov v Niagol Stoyanov | W | 3-2 |
| Qatar Open Women | 2017/12/01 11:57 | Dimitrij Ovtcharov v Marcos Freitas | W | 3-2 |
| Qatar Open Women | 2017/11/24 18:20 | Michal Bankosz v Dimitrij Ovtcharov | W | 0-3 |
| Qatar Open Women | 2017/11/12 15:10 | Dimitrij Ovtcharov v Timo Boll | W | 4-3 |
| German Open WD | 2017/11/12 10:20 | Zhendong Fan v Dimitrij Ovtcharov | W | 3-4 |
| German Open WD | 2017/11/11 18:40 | Chun Ting Wong v Dimitrij Ovtcharov | W | 2-4 |
| German Open WD | 2017/11/11 13:00 | An Yan v Dimitrij Ovtcharov | W | 0-4 |
| German Open WD | 2017/11/10 15:20 | Bence Majoros v Dimitrij Ovtcharov | W | 1-4 |
Away History
| Qatar Open XD | 2017/11/18 15:15 | Koki Niwa v Bo Fang | L | 3-4 |
| Qatar Open XD | 2017/11/17 18:00 | Koki Niwa v Yang Wang | W | 4-1 |
| Qatar Open XD | 2017/11/16 18:10 | Koki Niwa v Darko Jorgic | W | 4-2 |
| German Open WD | 2017/11/10 14:30 | Sangeun Jeong v Koki Niwa | L | 4-2 |
| Qatar Open Women | 2017/10/21 16:30 | Long Ma v Koki Niwa | L | 4-1 |
| Qatar Open Women | 2017/10/21 10:00 | Sangsu Lee v Koki Niwa | W | 2-4 |
| Qatar Open XD | 2017/09/23 14:00 | Gaoyuan Lin v Koki Niwa | L | 4-1 |
| Qatar Open XD | 2017/09/22 18:45 | Ruwen Filus v Koki Niwa | W | 3-4 |