| WTA - Eastbourne | 06/26 13:55 | 26 | [35] Jelena Ostapenko v Ekaterina Alexandrova [52] | Retired | |
| WTA - Eastbourne | 06/25 16:10 | 25 | [9] Sloane Stephens v Jelena Ostapenko [35] | 6-1,0-6,3-6 | |
| WTA - Eastbourne | 06/24 12:55 | 24 | [47] Mihaela Buzarnescu v Jelena Ostapenko [35] | 4-6,4-6 | |
| WTA - Birmingham | 06/21 12:00 | 27 | [25] Petra Martic v Jelena Ostapenko [37] | 6-7,7-5,6-1 | |
| WTA - Birmingham | 06/19 13:40 | 26 | [37] Jelena Ostapenko v Johanna Konta [18] | 6-3,6-4 | |
| WTA - Birmingham | 06/18 12:10 | 25 | [37] Jelena Ostapenko v Iga Swiatek [65] | 6-0,6-2 | |
| French Open - ženy | 05/28 11:35 | 23 | [39] Jelena Ostapenko v Victoria Azarenka [43] | 4-6,6-7 | |
| WTA - Rím | 05/14 13:40 | 24 | [29] Mihaela Buzarnescu v Jelena Ostapenko [27] | Retired | |
| WTA - Madrid | 05/06 10:00 | 25 | [7] Kiki Bertens v Jelena Ostapenko [29] | 6-4,6-3 | |
| WTA - Madrid | 05/04 10:30 | 24 | [35] Anastasia Pavlyuchenkova v Jelena Ostapenko [31] | 2-6,1-6 | |
| WTA - Stuttgart | 04/23 11:40 | 25 | [13] Anastasija Sevastova v Jelena Ostapenko [29] | 6-2,4-6,6-0 | |
| 2019 Fed Cup | 04/20 12:00 | - | [29] Jelena Ostapenko v Mona Barthel [90] | 4-6,3-6 | |
| 2019 Fed Cup - World Group Play Offs | 04/20 12:00 | - | Jelena Ostapenko v Julia Goerges | Cancelled | |
| 2019 Fed Cup | 04/19 13:00 | - | [29] Jelena Ostapenko v Andrea Petkovic [71] | 5-7,4-6 | |
| WTA - Bogota | 04/10 00:00 | 25 | [29] Jelena Ostapenko v Kristie Ahn [205] | 6-2,6-7,5-7 | |
| WTA - Charleston | 04/04 21:50 | 26 | [31] Jelena Ostapenko v Madison Keys [18] | 5-7,2-6 | |
| WTA - Charleston | 04/03 17:40 | 25 | Jelena Ostapenko v Shelby Rogers | 4-6,6-3,7-6 | |
| WTA - Charleston | 04/01 15:45 | 24 | [31] Jelena Ostapenko v Johanna Larsson [88] | 6-1,6-4 | |
| WTA - Miami | 03/22 16:35 | 24 | [59] Marketa Vondrousova v Jelena Ostapenko [23] | 7-5,6-1 | |
| WTA - Indian Wells | 03/10 20:40 | 25 | [61] Marketa Vondrousova v Jelena Ostapenko [22] | 4-6,6-3,6-4 | |
| WTA - Indian Wells | 03/08 21:05 | 24 | [40] Shuai Zhang v Jelena Ostapenko [22] | 2-6,1-6 | |
| WTA - Dubaj | 02/18 11:20 | 24 | [117] Jennifer Brady v Jelena Ostapenko [22] | 6-4,6-0 | |
| WTA - Doha | 02/13 12:30 | 26 | [7] Elina Svitolina v Jelena Ostapenko [22] | 6-4,6-4 | |
| WTA - Doha | 02/12 14:00 | 25 | [29] Mihaela Buzarnescu v Jelena Ostapenko [22] | 1-6,6-4,2-6 | |
| World Group II | 02/10 12:20 | 27 | Jelena Ostapenko v Anna K. Schmiedlova | Cancelled | |
| 2019 Fed Cup | 02/09 13:00 | 27 | [22] Jelena Ostapenko v Rebecca Sramkova [188] | 7-5,6-7,6-1 | |
| 2019 Fed Cup | 02/09 13:00 | 27 | [22] Jelena Ostapenko v Viktoria Kuzmova [46] | Cancelled | |
| WTA - Petrohrad | 01/31 13:15 | 26 | [22] Jelena Ostapenko v Anastasia Pavlyuchenkova [32] | 4-6,4-6 | |
| WTA - Petrohrad | 01/29 18:10 | 25 | [22] Jelena Ostapenko v Kristina Mladenovic [44] | 6-1,0-6,6-0 | |
| Australian Open - ženy | 01/14 03:15 | 23 | [43] Maria Sakkari v Jelena Ostapenko [22] | 6-1,3-6,6-2 |
Wikipedia - Jeļena Ostapenková
Jeļena Ostapenková (* 8. jún 1997, Riga) je lotyšská profesionálna tenistka a víťazka ženskej dvojhry na French Open 2017, rovnako tak i wimbledonskej juniorky 2014.