| WTA - Stuttgart | 04/22 09:30 | 26 | [52] Jelena Ostapenko v Karolina Pliskova [9] | 7-6,4-6,3-6 | |
| WTA - Stuttgart | 04/21 11:25 | 25 | [52] Jelena Ostapenko v Stefanie Voegele [129] | 6-4,7-5 | |
| Billie Jean King Cup | 04/17 12:50 | 7 | Jelena Ostapenko v Karman Kaur Thandi | Cancelled | |
| Billie Jean King Cup | 04/16 15:00 | 7 | [52] Jelena Ostapenko v Ankita Raina [174] | 6-2,5-7,7-5 | |
| WTA - Miami | 03/27 15:00 | 25 | [1] Ashleigh Barty v Jelena Ostapenko [54] | 6-3,6-2 | |
| WTA - Miami | 03/25 17:30 | 24 | [54] Jelena Ostapenko v Kirsten Flipkens [94] | 6-2,5-7,6-3 | |
| WTA - Miami | 03/24 17:00 | 23 | [54] Jelena Ostapenko v Xiyu Wang [135] | 6-4,6-7,6-1 | |
| WTA - St. Petersburg | 03/17 20:00 | 26 | [53] Jelena Ostapenko v Jaqueline Cristian [160] | 3-6,6-7 | |
| WTA - St. Petersburg | 03/15 12:10 | 25 | [53] Jelena Ostapenko v Paula Badosa [70] | 6-2,6-2 | |
| WTA - Dubai | 03/09 11:40 | 25 | [51] Jelena Ostapenko v Barbora Krejcikova [63] | 3-6,1-6 | |
| WTA - Dubai | 03/08 13:10 | 24 | [61] Patricia Maria Tig v Jelena Ostapenko [51] | 3-6,3-6 | |
| WTA - Doha | 03/03 12:45 | 26 | [51] Jelena Ostapenko v Jessica Pegula [44] | 2-6,5-7 | |
| WTA - Doha | 03/01 15:00 | 25 | [11] Kiki Bertens v Jelena Ostapenko [51] | 0-6,2-6 | |
| Australian Open - Frauen | 02/09 05:55 | 23 | [27] Karolina Muchova v Jelena Ostapenko [47] | 7-5,6-2 | |
| WTA - Gippsland Trophy | 02/03 00:00 | 26 | [45] Jelena Ostapenko v Elina Svitolina [5] | 7-6,3-6,2-6 | |
| WTA - Gippsland Trophy | 02/01 05:00 | 25 | [45] Jelena Ostapenko v Danka Kovinic [77] | 6-4,7-5 | |
| WTA - Gippsland Trophy | 01/31 02:55 | 24 | [45] Jelena Ostapenko v Sara Errani [131] | 4-6,6-3,6-1 | |
| WTA - Ostrava | 10/22 10:00 | 26 | [32] Ons Jabeur v Jelena Ostapenko [44] | 6-4,6-4 | |
| WTA - Ostrava | 10/21 14:05 | 25 | [44] Jelena Ostapenko v Petra Martic [18] | 6-3,6-1 | |
| French Open - Damen | 10/03 15:15 | 25 | [87] Paula Badosa v Jelena Ostapenko [43] | 6-4,6-3 | |
| French Open - Damen | 10/01 09:00 | 24 | [43] Jelena Ostapenko v Karolina Pliskova [4] | 6-4,6-2 | |
| French Open - Damen | 09/29 09:00 | 23 | [43] Jelena Ostapenko v Madison Brengle [78] | 6-2,6-1 | |
| WTA - Straßburg | 09/24 08:00 | 27 | [43] Jelena Ostapenko v Nao Hibino [84] | 6-7,6-7 | |
| WTA - Straßburg | 09/23 10:05 | 26 | [8] Kiki Bertens v Jelena Ostapenko [43] | Retired | |
| WTA - Straßburg | 09/21 14:30 | 25 | [67] Lauren Davis v Jelena Ostapenko [43] | 2-6,3-6 | |
| WTA - Rom | 09/14 13:35 | 24 | [35] Magda Linette v Jelena Ostapenko [43] | 6-4,6-3 | |
| WTA - Doha | 02/26 11:00 | 26 | [41] Jelena Ostapenko v Petra Kvitova [11] | 2-6,7-5,1-6 | |
| WTA - Doha | 02/25 12:30 | 25 | [34] Barbora Strycova v Jelena Ostapenko [41] | 1-6,2-6 | |
| WTA - Doha | 02/23 18:40 | 24 | [42] Jelena Ostapenko v Jil Teichmann [68] | 7-5,2-6,7-5 | |
| WTA - St. Petersburg | 02/12 10:00 | 25 | [61] Alize Cornet v Jelena Ostapenko [40] | 6-1,6-2 |
Wikipedia - Jeļena Ostapenko
Jeļena Ostapenko (* 8. Juni 1997 in Riga), auch bekannt als Aļona Ostapenko, ist eine lettische Tennisspielerin. 2017 gewann sie als Ungesetzte den Titel bei den French Open.