| WTA Bucarest | 07/16 11:00 | 25 | [81] Sorana Cirstea v Jaqueline Cristian [210] | 4-6,6-4,2-6 | |
| WTA Bastad | 07/09 15:20 | 25 | [77] Sorana Cirstea v Johanna Larsson [166] | 0-6,6-7 | |
| Wimbledon - Femenino | 07/02 13:45 | 23 | [26] Amanda Anisimova v Sorana Cirstea [77] | 6-3,6-3 | |
| Open de Francia - Femenino | 05/30 09:00 | 24 | [137] Aliona Bolsova v Sorana Cirstea [84] | 7-6,7-6 | |
| Open de Francia - Femenino | 05/27 10:45 | 23 | [84] Sorana Cirstea v Kaja Juvan [131] | 5-7,6-4,7-5 | |
| Open de Francia - Femenino | 05/27 10:15 | 23 | Sorana Cirstea v Petra Kvitova | Cancelled | |
| WTA Núremberg | 05/24 11:30 | 28 | [39] Yulia Putintseva v Sorana Cirstea [93] | 6-4,7-5 | |
| WTA Núremberg | 05/23 11:00 | 27 | [247] Nina Stojanovic v Sorana Cirstea [93] | 6-4,4-6,2-6 | |
| WTA Núremberg | 05/22 14:30 | 26 | [301] Laura Ioana Paar v Sorana Cirstea [93] | 4-6,7-6,0-6 | |
| WTA Núremberg | 05/22 08:30 | 25 | [93] Sorana Cirstea v Kirsten Flipkens [59] | 7-6,6-2 | |
| WTA Madrid | 05/07 16:05 | 25 | [93] Sorana Cirstea v Caroline Garcia [22] | 4-6,6-3,1-6 | |
| WTA Madrid | 05/05 10:50 | 24 | [14] Madison Keys v Sorana Cirstea [93] | 6-3,4-6,1-6 | |
| WTA Estambul | 04/24 09:40 | 26 | [47] Barbora Strycova v Sorana Cirstea [97] | 6-2,1-6,6-3 | |
| WTA Estambul | 04/23 08:00 | 25 | [97] Sorana Cirstea v Irina Bara [186] | 2-6,6-0,6-0 | |
| WTA Lugano | 04/10 11:50 | 26 | [103] Sorana Cirstea v Polona Hercog [89] | 6-3,6-7,4-6 | |
| WTA Lugano | 04/08 11:40 | 25 | [84] Mona Barthel v Sorana Cirstea [103] | 7-6,2-6,4-6 | |
| WTA Miami | 03/18 22:25 | 44 | [108] Laura Siegemund v Sorana Cirstea [103] | 4-6,7-5,7-5 | |
| WTA Indian Wells | 03/05 22:15 | 45 | [98] Sorana Cirstea v Nao Hibino [117] | 6-4,1-6,0-6 | |
| WTA Indian Wells | 03/05 00:35 | 44 | [98] Sorana Cirstea v Danielle Lao [153] | 6-3,6-4 | |
| WTA Indian Wells | 02/27 20:15 | 25 | [196] Kristie Ahn v Sorana Cirstea [98] | 7-6,3-6,6-3 | |
| WTA Budapest | 02/22 16:00 | 27 | [87] Anastasia Potapova v Sorana Cirstea [108] | 6-4,6-7,7-5 | |
| WTA Budapest | 02/20 17:50 | 26 | [108] Sorana Cirstea v Aleksandra Krunic [57] | 6-3,6-3 | |
| WTA Budapest | 02/19 15:50 | 25 | [108] Sorana Cirstea v Anna Bondar [223] | 4-6,6-3,6-4 | |
| WTA Doha | 02/09 08:00 | 45 | [92] Sorana Cirstea v Shuko Aoyama [43] | 6-4,0-6,3-6 | |
| Open de Australia - Femenino | 01/14 00:00 | 23 | [84] Sorana Cirstea v Rebecca Petersson [62] | 4-6,1-6 | |
| Kooyong Classic - Femenino | 01/10 03:00 | 1 | [193] Destanee Aiava v Sorana Cirstea [84] | 2-6,6-4,11-9 | |
| WTA Shenzhen | 01/03 07:15 | 27 | [84] Sorana Cirstea v Alison Riske [62] | 5-7,1-6 | |
| WTA Shenzhen | 01/01 03:00 | 26 | [56] Pauline Parmentier v Sorana Cirstea [84] | 2-6,2-6 | |
| WTA Shenzhen | 12/30 07:45 | 25 | [84] Sorana Cirstea v Magda Linette [81] | 6-3,6-3 | |
| ITF Dubái - Femenino | 12/12 10:30 | 26 | [180] Shuai Peng v Sorana Cirstea [85] | 6-1,6-1 |