| WTA - Miami | 03/24 20:10 | 24 | [4] Caroline Garcia v Sorana Cirstea [74] | 2-6,3-6 | |
| WTA - Miami | 03/22 16:50 | 23 | [179] Fernanda Contreras Gomez v Sorana Cirstea [74] | 6-7,2-6 | |
| WTA - Indian Wells | 03/16 21:05 | 27 | [1] Iga Swiatek v Sorana Cirstea [83] | 6-2,6-3 | |
| WTA - Indian Wells | 03/15 01:00 | 26 | [83] Sorana Cirstea v Caroline Garcia [5] | 6-4,4-6,7-5 | |
| WTA - Indian Wells | 03/13 18:00 | 25 | [43] Bernarda Pera v Sorana Cirstea [83] | 3-6,1-6 | |
| WTA - Indian Wells | 03/12 04:00 | 24 | [83] Sorana Cirstea v Madison Keys [20] | Retired | |
| WTA - Indian Wells | 03/09 21:20 | 23 | [83] Sorana Cirstea v Kimberly Birrell [115] | 6-3,6-2 | |
| WTA - Dubai | 02/21 09:35 | 25 | [112] Karolina Muchova v Sorana Cirstea [70] | 6-4,7-6 | |
| WTA - Dubai | 02/20 08:00 | 24 | [70] Sorana Cirstea v Beatriz Haddad Maia [12] | 4-6,7-6,7-5 | |
| WTA - Doha | 02/11 09:30 | 14 | [28] Jil Teichmann v Sorana Cirstea [63] | 6-4,6-3 | |
| WTA - Abu Dhabi | 02/06 12:30 | 25 | [57] Marta Kostyuk v Sorana Cirstea [63] | 6-2,1-6,6-2 | |
| Australian Open - Feminin | 01/17 07:50 | 23 | [42] Sorana Cirstea v Yulia Putintseva [47] | 6-2,4-6,3-6 | |
| WTA - Adelaide 2 | 01/09 02:30 | 25 | [15] Beatriz Haddad Maia v Sorana Cirstea [43] | 7-6,6-1 | |
| WTA - Adelaide 2 | 01/07 23:30 | 19 | [32] Kaia Kanepi v Sorana Cirstea [45] | 2-6,6-4,5-7 | |
| WTA - Adelaide 2 | 01/06 23:30 | 14 | [66] Camila Giorgi v Sorana Cirstea [45] | 7-5,4-6,0-6 | |
| WTA - Adelaide | 01/05 10:20 | 26 | [2] Ons Jabeur v Sorana Cirstea [45] | 7-6,6-1 | |
| WTA - Adelaide | 01/03 07:40 | 25 | [45] Sorana Cirstea v Viktorija Golubic [76] | 6-0,7-6 | |
| WTA - Bucuresti | 09/13 11:30 | 25 | [38] Sorana Cirstea v Simona Waltert [118] | 3-6,3-6 | |
| US Open - Feminin | 09/01 15:00 | 24 | [37] Sorana Cirstea v Belinda Bencic [13] | 6-3,5-7,2-6 | |
| US Open - Feminin | 08/30 15:00 | 23 | [182] Laura Siegemund v Sorana Cirstea [37] | 4-6,4-6 | |
| WTA - Cleveland | 08/24 00:00 | 26 | [38] Sorana Cirstea v Magda Linette [67] | 4-6,2-6 | |
| WTA - Cleveland | 08/22 15:00 | 25 | [212] Marcela Zacarias v Sorana Cirstea [38] | 2-6,3-6 | |
| WTA - Cleveland | 08/22 15:00 | 25 | [32] Elise Mertens v Sorana Cirstea [38] | Cancelled | |
| WTA - Cincinnati | 08/17 15:00 | 25 | [40] Sorana Cirstea v Petra Kvitova [28] | 2-6,3-6 | |
| WTA - Cincinnati | 08/16 15:00 | 24 | [11] Belinda Bencic v Sorana Cirstea [40] | 2-6,7-6,4-6 | |
| WTA - Praga | 07/26 10:50 | 25 | [170] Oksana Selekhmeteva v Sorana Cirstea [35] | 7-5,6-4 | |
| Wimbledon - Feminin | 06/29 13:35 | 24 | [103] Tatjana Maria v Sorana Cirstea [32] | 6-3,1-6,7-5 | |
| Wimbledon - Feminin | 06/27 16:15 | 23 | [107] Aleksandra Krunic v Sorana Cirstea [32] | 6-7,6-7 | |
| WTA - Eastbourne | 06/20 15:35 | 24 | [36] Anhelina Kalinina v Sorana Cirstea [32] | Retired | |
| WTA - Birmingham | 06/19 10:00 | 28 | [54] Shuai Zhang v Sorana Cirstea [36] | 4-6,6-1,7-6 |