| Fed Cup 2020 | 02/08 23:15 | - | [7] Sofia Kenin v Jelena Ostapenko [40] | 3-6,6-2,2-6 | |
| Fed Cup 2020 | 02/08 04:55 | - | [9] Serena Williams v Jelena Ostapenko [40] | 7-6,7-6 | |
| Australian Open - ženy | 01/23 00:00 | 24 | [7] Belinda Bencic v Jelena Ostapenko [45] | 7-5,7-5 | |
| Australian Open - ženy | 01/21 04:20 | 23 | [118] Liudmila Samsonova v Jelena Ostapenko [45] | 1-6,4-6 | |
| WTA Auckland | 01/05 21:00 | 25 | Laura Siegemund v Jelena Ostapenko | Cancelled | |
| WTA - Luxemburg | 10/20 13:00 | 29 | [63] Jelena Ostapenko v Julia Goerges [26] | 6-4,6-1 | |
| WTA - Luxemburg | 10/19 12:00 | 28 | [63] Jelena Ostapenko v Anna Blinkova [66] | 3-6,6-3,6-2 | |
| WTA - Luxemburg | 10/18 16:00 | 27 | [63] Jelena Ostapenko v Antonia Lottner [210] | 6-1,6-1 | |
| WTA - Luxemburg | 10/17 14:10 | 26 | [19] Elise Mertens v Jelena Ostapenko [63] | 6-4,2-6,2-6 | |
| WTA - Luxemburg | 10/16 18:30 | 25 | [108] Catherine McNally v Jelena Ostapenko [63] | 5-7,6-7 | |
| WTA - Linz | 10/13 12:00 | 29 | Cori Gauff v Jelena Ostapenko | 6-3,1-6,6-2 | |
| WTA - Linz | 10/12 13:50 | 28 | [35] Ekaterina Alexandrova v Jelena Ostapenko [72] | 6-1,6-7,5-7 | |
| WTA - Linz | 10/11 16:50 | 27 | [72] Jelena Ostapenko v Elena Rybakina [43] | 7-5,6-1 | |
| WTA - Linz | 10/10 19:20 | 26 | [57] Alize Cornet v Jelena Ostapenko [72] | Retired | |
| WTA - Linz | 10/09 10:00 | 25 | [130] Tamara Korpatsch v Jelena Ostapenko [72] | 1-6,3-6 | |
| WTA - Peking | 09/30 07:20 | 25 | [47] Kateřina Siniaková v Jelena Ostapenko [73] | 6-2,6-1 | |
| WTA - Peking | 09/28 10:25 | 24 | [74] Jelena Ostapenko v Karolina Pliskova [2] | 7-5,3-6,7-5 | |
| WTA Tashkent | 09/23 08:45 | 25 | [142] Katarina Zavatska v Jelena Ostapenko [74] | Retired | |
| WTA Seoul | 09/17 04:50 | 25 | [92] Timea Babos v Jelena Ostapenko [74] | 6-3,6-3 | |
| WTA - Zhengzhou | 09/13 05:15 | 26 | [75] Jelena Ostapenko v Aryna Sabalenka [13] | 1-6,2-6 | |
| WTA - Zhengzhou | 09/10 10:30 | 25 | [246] Xiaodi You v Jelena Ostapenko [75] | 3-6,6-0,2-6 | |
| US Open - ženy | 08/31 16:35 | 25 | [141] Kristie Ahn v Jelena Ostapenko [77] | 6-3,7-5 | |
| US Open - ženy | 08/29 20:10 | 24 | [77] Jelena Ostapenko v Alison Riske [36] | 6-4,6-3 | |
| US Open - ženy | 08/27 15:00 | 23 | [97] Aleksandra Krunic v Jelena Ostapenko [77] | 3-6,6-7 | |
| WTA - Cincinnati | 08/12 15:00 | 24 | [75] Jelena Ostapenko v Yulia Putintseva [42] | 2-6,7-6,3-6 | |
| WTA - Toronto | 08/08 23:00 | 26 | [91] Marie Bouzkova v Jelena Ostapenko [82] | 6-2,6-2 | |
| WTA - Toronto | 08/07 19:30 | 25 | [82] Jelena Ostapenko v Anastasia Pavlyuchenkova [44] | 6-2,2-6,6-4 | |
| WTA - Toronto | 08/05 21:00 | 24 | [22] Caroline Garcia v Jelena Ostapenko [82] | 3-6,3-6 | |
| WTA Jurmala | 07/23 18:45 | 25 | [83] Jelena Ostapenko v Bernarda Pera [74] | 2-6,1-6 | |
| Wimbledon - ženy | 07/01 17:15 | 23 | [29] Su-Wei Hsieh v Jelena Ostapenko [37] | 6-2,6-2 |
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.