Australia: Australian Open - Doubles - Main |
| 1/16-finals | Cirstea S./Ostapenko J. | Klepac A./Martinez Sanchez M. J. | 0:2 (5:7, 3:6) | details | 18.01.2019 |
| 1/32-finals | Cirstea S./Ostapenko J. | Duan Y./Lapko V. | 2:1 (6:2, 63:7, 7:67) | details | 17.01.2019 |
China: Shenzhen - Doubles - Main |
| 1/8-finals | Duan Y./Voracova R. | Cirstea S./Ostapenko J. | 2:0 (6:4, 7:68) | details | 31.12.2018 |
Italy: Rome - Doubles - Main |
| Semi-finals | Barty A./Schuurs D. | Cirstea S./Ostapenko J. | 2:0 (6:2, 6:3) | details | 19.05.2018 |
| Quarter-finals | Babos T./Mladenovic K. | Cirstea S./Ostapenko J. | 0:2 (2:6, 5:7) | details | 18.05.2018 |
| 1/8-finals | Cirstea S./Ostapenko J. | Kuznetsova S./Pliskova Ka. | 2:0 (6:3, 6:3) | details | 17.05.2018 |
| 1/16-finals | Cirstea S./Ostapenko J. | Rybarikova M./Sevastova A. | 2:0 (7:64, 6:3) | details | 14.05.2018 |
China: Beijing - Doubles - Main |
| 1/16-finals | Cirstea S./Ostapenko J. | Hsieh S-W./Niculescu M. | 0:2 (4:6, 3:6) | details | 02.10.2017 |
China: Wuhan - Doubles - Main |
| 1/16-finals | Cirstea S./Ostapenko J. | Barthel M./Witthoeft C. | WO. | details | 26.09.2017 |
| 1/16-finals | Cirstea S./Ostapenko J. | Halep S./Niculescu M. | CAN. | details | 26.09.2017 |
South Korea: Seoul - Doubles - Main |
| Quarter-finals | Cirstea S./Ostapenko J. | Dunne K./Hon P. | WO. | details | 22.09.2017 |
| 1/8-finals | Chuang C.-J./Rus A. | Cirstea S./Ostapenko J. | 0:2 (5:7, 60:7) | details | 20.09.2017 |