| Wimbledon Women | 07/03 10:30 | 23 | [40] Peng, Shuai v Stosur, Samantha [86] | 4-6,5-7 | |
| WTA Eastbourne | 06/25 11:25 | 24 | [38] Peng, Shuai v Buzarnescu, Mihaela [28] | 7-5,2-6,1-6 | |
| Open de France - Femmes | 05/31 16:00 | 24 | [41] Peng, Shuai v Caroline Garcia [7] | 4-6,6-3,3-6 | |
| Open de France - Femmes | 05/29 15:10 | 23 | [41] Peng, Shuai v Aleksandra Krunic [47] | 6-3,6-4 | |
| WTA - Rome | 05/15 15:05 | 24 | [41] Irina-Camelia Begu v Peng, Shuai [35] | 4-6,6-4,6-1 | |
| WTA - Madrid | 05/06 14:05 | 24 | [3] Muguruza, Garbine v Peng, Shuai [39] | 6-4,6-2 | |
| WTA Anning | 05/04 04:00 | 28 | [39] Peng, Shuai v Saisai Zheng [133] | 5-7,1-6 | |
| WTA Anning | 05/03 04:00 | 27 | [39] Peng, Shuai v Kostova, Elitsa [189] | 6-1,6-0 | |
| WTA Anning | 05/02 05:05 | 26 | [39] Peng, Shuai v Yang, Zhaoxuan [28] | 5-7,6-4,6-3 | |
| WTA Anning | 04/30 05:30 | 25 | [39] Peng, Shuai v Naydenova, Aleksandrina [439] | 4-6,6-1,6-4 | |
| Zhengzhou, Chine | 04/16 05:00 | 25 | [139] Saisai Zheng v Peng, Shuai [36] | 7-6,6-2 | |
| WTA - Dubaï | 02/19 10:00 | 25 | Vesnina, Elena v Peng, Shuai | 6-4,7-5 | |
| WTA - Doha | 02/13 10:15 | 24 | Peng, Shuai v Kristina Mladenovic | 2-6,4-6 | |
| Taipei, Taipei Chinois | 01/30 04:00 | 25 | Peng, Shuai v Ana Bogdan | 4-6,1-6 | |
| Open d'Australie - Femmes | 01/15 06:30 | 23 | Peng, Shuai v Marta Kostyuk | 2-6,2-6 | |
| WTA Sydney | 01/07 01:00 | 25 | Vesnina, Elena v Peng, Shuai | Cancelled | |
| Trophée Elite, Zhuhai, Chine | 11/03 08:55 | 1 | [17] Vesnina, Elena v Peng, Shuai [27] | Retired | |
| Trophée Elite, Zhuhai, Chine | 10/31 07:30 | 1 | [12] Vandeweghe, Coco v Peng, Shuai [27] | 3-6,6-3,6-2 | |
| Tianjin, Chine | 10/14 06:00 | 28 | [86] Sharapova, Maria v Peng, Shuai [25] | 6-3,6-1 | |
| Tianjin, Chine | 10/13 07:05 | 27 | [25] Peng, Shuai v Sorribes Tormo, Sara [94] | 6-0,6-1 | |
| Tianjin, Chine | 10/12 07:35 | 26 | Peng, Shuai v Xiyu Wang | 6-2,6-2 | |
| Tianjin, Chine | 10/11 10:00 | 25 | [25] Peng, Shuai v Hanyu Guo [333] | 6-2,7-6 | |
| Pékin, Chine | 10/05 06:10 | 26 | [25] Peng, Shuai v Jelena Ostapenko [8] | Retired | |
| Pékin, Chine | 10/04 06:30 | 25 | [65] Niculescu, Monica v Peng, Shuai [25] | 3-6,2-6 | |
| Pékin, Chine | 10/02 06:30 | 24 | [57] Shelby Rogers v Peng, Shuai [24] | 6-7,6-3,5-7 | |
| Wuhan, China | 09/26 10:30 | 25 | [24] Peng, Shuai v Monica Puig [77] | 6-4,3-6,4-6 | |
| Wuhan, China | 09/25 12:45 | 24 | [14] Kvitova, Petra v Peng, Shuai [24] | 6-7,7-6,6-7 | |
| WTA Guangzhou | 09/20 10:15 | 26 | [24] Peng, Shuai v Yanina Wickmayer [116] | 4-6,4-6 | |
| WTA Guangzhou | 09/19 15:20 | 25 | [24] Peng, Shuai v Ons Jabeur [91] | 7-6,1-6,6-3 | |
| US Open Women | 08/31 00:40 | 24 | [52] Donna Vekic v Peng, Shuai [24] | 6-0,6-2 |