| WTA Nanchang | 07/24 11:10 | 25 | [171] Miyu Kato v Saisai Zheng [112] | 3-6,0-6 | |
| WTA Gstaad | 07/17 13:10 | 25 | [112] Saisai Zheng v Conny Perrin [147] | 1-6,6-4,5-7 | |
| ITF Women Contrexeville | 07/14 12:00 | 28 | [126] Saisai Zheng v Stefanie Voegele [93] | 3-6,6-3,2-6 | |
| ITF Women Contrexeville | 07/13 11:45 | 27 | [126] Saisai Zheng v Arantxa Rus [105] | 6-3,4-6,6-4 | |
| ITF Women Contrexeville | 07/12 13:00 | 26 | [126] Saisai Zheng v Tessah Andrianjafitrimo [332] | 6-0,6-4 | |
| ITF Women Contrexeville | 07/11 16:20 | 25 | [63] Pauline Parmentier v Saisai Zheng [126] | 6-7,6-3,2-6 | |
| Wimbledon Women | 07/05 14:05 | 24 | [1] Simona Halep v Saisai Zheng [126] | 7-5,6-0 | |
| Wimbledon Women | 07/03 14:35 | 23 | [126] Saisai Zheng v Qiang Wang [70] | 6-3,4-6,6-1 | |
| WTA Nottingham | 06/11 11:40 | 25 | [119] Magdalena Frech v Saisai Zheng [128] | 6-2,3-6,6-3 | |
| WTA Nottingham Qual | 06/10 11:50 | 64 | Saisai Zheng v Ella Taylor | 6-3,6-4 | |
| WTA Nottingham Qual | 06/09 15:10 | 45 | [129] Saisai Zheng v Alla Kudryavtseva [365] | 3-6,6-2,6-1 | |
| WTA Bol | 06/06 11:00 | 25 | [129] Saisai Zheng v Mandy Minella [286] | 5-7,3-6 | |
| French Open Women | 05/27 09:00 | 23 | [130] Saisai Zheng v Ekaterina Makarova [35] | 4-6,1-6 | |
| WTA Nurnberg | 05/20 12:00 | 25 | [87] Christina McHale v Saisai Zheng [132] | 6-2,7-6 | |
| WTA Anning | 05/05 04:50 | 29 | [133] Saisai Zheng v Irina Khromacheva [210] | 6-3,4-6,6-7 | |
| WTA Anning | 05/04 04:00 | 28 | [39] Shuai Peng v Saisai Zheng [133] | 5-7,1-6 | |
| WTA Anning | 05/03 05:15 | 27 | [133] Saisai Zheng v Amandine Hesse [209] | 5-7,6-1,6-1 | |
| WTA Anning | 05/02 05:20 | 26 | [133] Saisai Zheng v Xiaodi You [342] | 6-2,6-7,6-3 | |
| WTA Anning | 05/01 07:30 | 25 | [133] Saisai Zheng v Shiho Akita [401] | 6-4,6-3 | |
| ITF Women Quanzhou | 04/28 02:30 | 29 | [179] Fangzhou Liu v Saisai Zheng [124] | 3-6,1-6 | |
| ITF Women Quanzhou | 04/27 03:00 | 28 | [134] Naomi Broady v Saisai Zheng [124] | 6-7,6-4,3-6 | |
| ITF Women Quanzhou | 04/26 04:00 | 27 | [124] Saisai Zheng v Xinyun Han [150] | Retired | |
| ITF Women Quanzhou | 04/25 05:20 | 26 | [124] Saisai Zheng v Jacqueline Cako [238] | 6-4,6-3 | |
| ITF Women Quanzhou | 04/24 06:50 | 25 | [124] Saisai Zheng v Hanyu Guo [329] | 6-3,6-4 | |
| WTA Zhengzhou | 04/22 03:00 | 29 | [98] Yafan Wang v Saisai Zheng [139] | 7-5,2-6,1-6 | |
| WTA Zhengzhou | 04/21 05:40 | 28 | [173] Xinyun Han v Saisai Zheng [139] | 5-7,0-6 | |
| WTA Zhengzhou | 04/20 05:10 | 27 | [234] Jia-Jing Lu v Saisai Zheng [139] | 0-6,0-6 | |
| WTA Zhengzhou | 04/18 03:00 | 26 | [176] Fangzhou Liu v Saisai Zheng [139] | 6-2,4-6,0-6 | |
| WTA Zhengzhou | 04/16 05:00 | 25 | [139] Saisai Zheng v Shuai Peng [36] | 7-6,6-2 | |
| ITF Women Kashiwa | 04/07 01:00 | 28 | [147] Saisai Zheng v Luksika Kumkhum [103] | 6-7,3-6 |