| WTA Birmingham | 06/19 10:00 | 28 | [54] Shuai Zhang v Sorana Cirstea [36] | 4-6,6-1,7-6 | |
| WTA Birmingham | 06/17 10:00 | 27 | [92] Donna Vekic v Sorana Cirstea [36] | 7-5,3-6,4-6 | |
| WTA Birmingham | 06/15 10:00 | 26 | [103] Aleksandra Krunic v Sorana Cirstea [36] | 1-6,1-6 | |
| WTA Birmingham | 06/14 10:00 | 25 | [39] Shelby Rogers v Sorana Cirstea [36] | 3-6,6-4,1-6 | |
| Prantsusmaa lahtised - naised | 05/25 13:40 | 24 | [26] Sorana Cirstea v Sloane Stephens [64] | 6-3,2-6,0-6 | |
| Prantsusmaa lahtised - naised | 05/22 09:00 | 23 | [26] Sorana Cirstea v Tatjana Maria [105] | 6-3,6-3 | |
| WTA Strasbourg | 05/17 09:00 | 25 | [348] Ekaterina Makarova v Sorana Cirstea [27] | 1-6,6-3,6-2 | |
| WTA Rooma | 05/10 17:00 | 24 | [26] Sorana Cirstea v Ons Jabeur [7] | 0-6,6-7 | |
| WTA Madrid | 04/28 09:00 | 24 | [52] Nuria Parrizas-Diaz v Sorana Cirstea [27] | 6-4,6-2 | |
| WTA Istanbul | 04/23 14:15 | 28 | [29] Veronika Kudermetova v Sorana Cirstea [24] | 6-3,6-3 | |
| WTA Istanbul | 04/22 14:45 | 27 | [194] Julia Grabher v Sorana Cirstea [24] | 5-7,1-6 | |
| WTA Istanbul | 04/20 16:15 | 26 | [74] Arantxa Rus v Sorana Cirstea [24] | 6-3,1-6,5-7 | |
| WTA Istanbul | 04/19 07:00 | 25 | [95] Kamilla Rakhimova v Sorana Cirstea [24] | 4-6,1-6 | |
| WTA Istanbul | 04/19 07:00 | 25 | Aliaksandra Sasnovich v Sorana Cirstea | Cancelled | |
| WTA Miami | 03/25 15:00 | 24 | [43] Shuai Zhang v Sorana Cirstea [27] | 6-1,6-1 | |
| WTA Indian Wells | 03/15 18:00 | 26 | [27] Sorana Cirstea v Simona Halep [26] | 1-6,4-6 | |
| WTA Indian Wells | 03/13 22:10 | 25 | [90] Anna Kalinskaya v Sorana Cirstea [27] | 7-5,1-6,0-6 | |
| WTA Indian Wells | 03/11 19:00 | 24 | [39] Ajla Tomljanovic v Sorana Cirstea [27] | 4-6,5-7 | |
| WTA Lyon | 03/05 16:05 | 28 | [140] Dayana Yastremska v Sorana Cirstea [30] | 7-6,4-6,6-4 | |
| WTA Lyon | 03/04 19:20 | 27 | [79] Anna Bondar v Sorana Cirstea [30] | 3-6,3-6 | |
| WTA Lyon | 03/02 17:30 | 26 | [144] Stefanie Voegele v Sorana Cirstea [30] | 3-6,5-7 | |
| WTA Lyon | 03/01 10:30 | 25 | [156] Mariam Bolkvadze v Sorana Cirstea [30] | 3-6,1-6 | |
| WTA Doha | 02/21 16:20 | 25 | [9] Garbine Muguruza v Sorana Cirstea [31] | 7-6,6-1 | |
| WTA Doha | 02/20 11:00 | 24 | [30] Sorana Cirstea v Mayar Sherif [65] | 6-2,6-1 | |
| WTA St. Petersburg | 02/09 11:15 | 26 | [31] Sorana Cirstea v Anett Kontaveit [9] | 4-6,5-7 | |
| WTA St. Petersburg | 02/08 12:35 | 25 | [38] Marketa Vondrousova v Sorana Cirstea [31] | 5-7,6-3,4-6 | |
| Austraalia lahtised meistrivõistlused - naised | 01/24 07:40 | 26 | [9] Iga Swiatek v Sorana Cirstea [38] | 5-7,6-3,6-3 | |
| Austraalia lahtised meistrivõistlused - naised | 01/22 10:35 | 25 | [38] Sorana Cirstea v Anastasia Pavlyuchenkova [11] | 6-3,2-6,6-2 | |
| Austraalia lahtised meistrivõistlused - naised | 01/20 02:00 | 24 | [38] Sorana Cirstea v Kristina Kucova [96] | 6-2,6-4 | |
| Austraalia lahtised meistrivõistlused - naised | 01/18 00:00 | 23 | [19] Petra Kvitova v Sorana Cirstea [38] | 2-6,2-6 |