| ITF Women Shenzhen | 11/07 03:40 | 25 | [46] Saisai Zheng v Bibiane Schoofs [209] | 7-5,6-1 | |
| WTA Mumbai | 11/02 10:30 | 27 | [47] Saisai Zheng v Luksika Kumkhum [103] | 6-3,4-6,4-6 | |
| WTA Mumbai | 11/01 10:30 | 26 | [47] Saisai Zheng v Bibiane Schoofs [212] | 6-4,6-2 | |
| WTA Mumbai | 10/31 10:30 | 25 | [47] Saisai Zheng v Karman Thandi [215] | 6-2,6-4 | |
| ITF Women Suzhou | 10/21 03:00 | 29 | [57] Saisai Zheng v Jana Cepelova [243] | 7-5,6-1 | |
| ITF Women Suzhou | 10/20 06:10 | 28 | [57] Saisai Zheng v Viktoriya Tomova [162] | Retired | |
| ITF Women Suzhou | 10/19 05:15 | 27 | [57] Saisai Zheng v Arina Rodionova [163] | 6-2,6-1 | |
| ITF Women Suzhou | 10/18 04:35 | 26 | [57] Saisai Zheng v Ying-Ying Duan [142] | 6-2,6-4 | |
| ITF Women Suzhou | 10/17 04:30 | 25 | Saisai Zheng v Yi Yuan | 6-0,6-1 | |
| WTA Hong Kong | 10/10 11:30 | 26 | [58] Saisai Zheng v Dayana Yastremska [102] | 3-6,3-6 | |
| WTA Hong Kong | 10/09 02:00 | 25 | Lesia Tsurenko v Saisai Zheng | Cancelled | |
| WTA Hong Kong | 10/08 13:10 | 25 | [59] Aleksandra Krunic v Saisai Zheng [58] | 1-6,3-6 | |
| WTA Beijing | 10/02 04:30 | 25 | [9] Sloane Stephens v Saisai Zheng [63] | 6-1,6-3 | |
| WTA Beijing | 09/30 04:30 | 24 | [68] Saisai Zheng v Dayana Yastremska [110] | 6-4,6-3 | |
| WTA Wuhan | 09/25 05:10 | 25 | [68] Saisai Zheng v Ashleigh Barty [17] | 6-4,1-6,2-6 | |
| WTA Wuhan | 09/23 03:00 | 24 | [70] Saisai Zheng v Danielle Collins [38] | 2-6,6-4,6-2 | |
| WTA Guangzhou | 09/19 06:35 | 26 | [70] Saisai Zheng v Fiona Ferro [124] | 6-0,3-6,2-6 | |
| WTA Guangzhou | 09/18 06:40 | 25 | [70] Saisai Zheng v Hanyu Guo [356] | 6-4,6-2 | |
| WTA Hiroshima | 09/12 05:20 | 26 | [134] Amanda Anisimova v Saisai Zheng [76] | 6-1,6-1 | |
| WTA Hiroshima | 09/10 02:30 | 25 | [75] Alison Riske v Saisai Zheng [63] | 5-7,4-6 | |
| US Open Women | 08/21 15:00 | 44 | [63] Saisai Zheng v Jil Teichmann [168] | 6-7,6-3,0-6 | |
| WTA Washington | 08/05 02:10 | 28 | [85] Saisai Zheng v Donna Vekic [44] | 5-7,3-6 | |
| WTA Montreal Qual | 08/04 20:00 | 44 | Lizette Cabrera v Saisai Zheng | Walkover | |
| WTA Washington | 08/04 16:35 | 27 | [85] Saisai Zheng v Allie Kiick [202] | 6-3,6-1 | |
| WTA Washington | 08/02 18:00 | 26 | [130] Ysaline Bonaventure v Saisai Zheng [85] | 4-6,4-6 | |
| WTA Washington | 08/01 18:35 | 25 | [179] Katie Swan v Saisai Zheng [85] | 2-6,4-6 | |
| WTA Nanchang | 07/29 09:00 | 29 | [112] Saisai Zheng v Qiang Wang [78] | Retired | |
| WTA Nanchang | 07/28 10:55 | 28 | [137] Lin Zhu v Saisai Zheng [112] | 3-6,6-1,2-6 | |
| WTA Nanchang | 07/27 14:30 | 27 | [253] Fang Ying Xun v Saisai Zheng [112] | 3-6,4-6 | |
| WTA Nanchang | 07/26 10:45 | 26 | [232] Karman Thandi v Saisai Zheng [112] | 4-6,0-6 |