| WTA - Adelaide | 01/05 02:00 | 26 | [18] Jelena Ostapenko v Irina-Camelia Begu [34] | 3-6,0-6 | |
| WTA - Adelaide | 01/03 10:05 | 25 | [18] Jelena Ostapenko v Karolina Pliskova [31] | 6-1,6-3 | |
| Billie Jean King Cup | 11/12 09:55 | 64 | [197] Sinja Kraus v Jelena Ostapenko [18] | 0-6,6-3,1-6 | |
| Billie Jean King Cup | 11/11 11:45 | 64 | [492] Tamira Paszek v Jelena Ostapenko [18] | 6-3,2-6,6-7 | |
| WTA - Guadalajara | 10/20 17:30 | 26 | [12] Veronika Kudermetova v Jelena Ostapenko [23] | 6-4,6-4 | |
| WTA - Guadalajara | 10/19 16:00 | 25 | [430] Eugenie Bouchard v Jelena Ostapenko [23] | 5-7,6-2,1-6 | |
| WTA - Guadalajara | 10/18 16:00 | 24 | [89] Lauren Davis v Jelena Ostapenko [23] | 1-6,3-6 | |
| WTA - Ostrava | 10/04 11:30 | 25 | [16] Jelena Ostapenko v Aliaksandra Sasnovich [31] | 2-6,2-6 | |
| WTA - Tallinn | 09/28 15:05 | 25 | [32] Kaia Kanepi v Jelena Ostapenko [17] | 4-6,6-4,6-0 | |
| WTA Seoul | 09/25 06:00 | 29 | [19] Jelena Ostapenko v Ekaterina Alexandrova [24] | 6-7,0-6 | |
| WTA Seoul | 09/24 06:30 | 28 | [19] Jelena Ostapenko v Emma Raducanu [77] | Retired | |
| WTA Seoul | 09/23 09:25 | 27 | [19] Jelena Ostapenko v Victoria Jimenez Kasintseva [186] | 6-2,6-1 | |
| WTA Seoul | 09/22 07:55 | 26 | [19] Jelena Ostapenko v Anastasia Gasanova [141] | 6-3,5-7,7-5 | |
| WTA Seoul | 09/20 07:45 | 25 | Jelena Ostapenko v BoYoung Jeong | 6-4,3-6,7-6 | |
| US Open - ženy | 08/30 15:00 | 23 | [39] Qinwen Zheng v Jelena Ostapenko [16] | 6-3,3-6,6-4 | |
| WTA - Cincinnati | 08/17 21:00 | 25 | [24] Madison Keys v Jelena Ostapenko [15] | 6-4,7-5 | |
| WTA - Cincinnati | 08/16 23:40 | 24 | [16] Beatriz Haddad Maia v Jelena Ostapenko [15] | 4-6,4-6 | |
| WTA - Toronto | 08/10 16:10 | 25 | [16] Jelena Ostapenko v Alison Riske-Amritraj [35] | 6-7,6-0,5-7 | |
| WTA - Toronto | 08/08 17:30 | 24 | [16] Jelena Ostapenko v Anhelina Kalinina [52] | 6-4,6-2 | |
| Wimbledon - ženy | 07/03 12:00 | 26 | [103] Tatjana Maria v Jelena Ostapenko [17] | 5-7,7-5,7-5 | |
| Wimbledon - ženy | 07/01 10:00 | 25 | [43] Irina-Camelia Begu v Jelena Ostapenko [17] | 6-3,1-6,1-6 | |
| Wimbledon - ženy | 06/29 13:35 | 24 | Yanina Wickmayer v Jelena Ostapenko | 2-6,2-6 | |
| Wimbledon - ženy | 06/28 10:00 | 23 | [85] Oceane Dodin v Jelena Ostapenko [17] | 4-6,4-6 | |
| WTA - Eastbourne | 06/25 11:30 | 29 | [31] Petra Kvitová v Jelena Ostapenko [14] | 6-3,6-2 | |
| WTA - Eastbourne | 06/24 12:15 | 28 | [14] Jelena Ostapenko v Camila Giorgi [26] | 6-2,6-2 | |
| WTA - Eastbourne | 06/23 13:40 | 27 | [14] Jelena Ostapenko v Anhelina Kalinina [36] | 6-3,6-2 | |
| WTA - Eastbourne | 06/22 16:45 | 26 | [14] Jelena Ostapenko v Madison Keys [24] | Retired | |
| WTA - Eastbourne | 06/21 14:30 | 25 | [14] Jelena Ostapenko v Ajla Tomljanovic [45] | 6-4,6-4 | |
| WTA - Birmingham | 06/16 12:40 | 26 | [16] Jelena Ostapenko v Dayana Yastremska [79] | 6-3,5-7,5-7 | |
| WTA - Birmingham | 06/14 12:15 | 25 | [16] Jelena Ostapenko v Rebecca Marino [107] | 6-2,5-7,6-3 |
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.