Round: 25
| WTA - Zhengzhou | 2017/04/19 06:20 | Shuai Peng v Riko Sawayanagi | 6-1,6-4 |
| WTA - Zhengzhou | 2017/04/18 05:55 | Miyu Kato v Riko Sawayanagi | 6-7,0-6 |
| ITF - Nanning - Feminino | 2017/04/11 05:30 | Riko Sawayanagi v Qianhui Tang | 1-6,5-7 |
| ITF - Kashiwa - Feminino | 2017/04/05 02:15 | Makoto Ninomiya v Riko Sawayanagi | 5-7,6-3,6-3 |
| ITF - Kofu - Feminino | 2017/03/31 01:00 | Na-Lae Han v Riko Sawayanagi | 6-2,6-2 |
| ITF - Kofu - Feminino | 2017/03/30 04:05 | Chihiro Muramatsu v Riko Sawayanagi | 3-6,3-6 |
| ITF - Kofu - Feminino | 2017/03/28 02:35 | Yumeko Yoshitomi v Riko Sawayanagi | 3-6,0-6 |
| ITF - Shenzhen - Qualificação - Feminino | 2017/03/13 03:00 | Hao Chen Tang v Riko Sawayanagi | 7-6,7-5 |
| WTA - Zhengzhou | 2017/04/19 04:00 | Valentini Grammatikopoulou v Qiang Wang | 6-4,5-7,2-6 |
| WTA - Zhengzhou | 2017/04/17 04:00 | Valentini Grammatikopoulou v Yifan Xu | 6-1,6-3 |
| ITF - Istambul - Feminino | 2017/04/12 07:00 | Valentini Grammatikopoulou v Basak Eraydin | 1-6,2-6 |
| ITF - Istambul - Feminino | 2017/04/04 07:00 | Magdalena Rybarikova v Valentini Grammatikopoulou | 6-1,6-4 |
| ITF - Santa Margherita di Pula - Feminino | 2017/03/28 11:20 | Valentini Grammatikopoulou v Kathinka Von Deichmann | 5-7,2-6 |
| ITF - Santa Margherita di Pula - Feminino | 2017/03/22 08:30 | Marta Paigina v Valentini Grammatikopoulou | 7-6,6-1 |
| ITF - Moscovo - Feminino | 2017/02/23 09:55 | Alina Silich v Valentini Grammatikopoulou | 6-2,6-4 |
| ITF - Moscovo - Feminino | 2017/02/21 14:45 | Valeriya Pogrebnyak v Valentini Grammatikopoulou | 6-7,4-6 |