WTA Player Stats - Jelena Ostapenko
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| Porsche Tennis Grand Prix | ||
| Surface: Clay | Date: Apr. 23 - Apr. 29 | Seed: 4 |
| Round | Opponent | W / L | Result |
| First Round | Bye |
| Miami Open presented by Itau | ||
| Surface: Hard | Date: Mar. 20 - Apr. 1 | Seed: 6 |
| Round | Opponent | W / L | Result |
| First Round | Bye | ||
| Second Round | Timea Babos | Win | 6-4, 6-4 |
| Third Round | Beatriz Haddad Maia | Win | 6-2, 7-6 (7-2) |
| Fourth Round | Petra Kvitova | Win | 7-6 (7-4), 6-3 |
| Quarterfinals | Elina Svitolina | Win | 7-6 (7-3), 7-6 (7-5) |
| Semifinals | Danielle Collins | Win | 7-6 (7-1), 6-3 |
| Final | Sloane Stephens | Loss | 6-7 (5-7), 1-6 |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 7 - Mar. 18 | Seed: 6 |
| Round | Opponent | W / L | Result |
| First Round | Bye | ||
| Second Round | Belinda Bencic | Win | 6-4, 3-6, 6-1 |
| Third Round | Petra Martic | Loss | 3-6, 3-6 |
| Dubai Duty Free Tennis Championships | ||
| Surface: Hard | Date: Feb. 19 - Feb. 24 | Seed: 4 |
| Round | Opponent | W / L | Result |
| First Round | Bye | ||
| Second Round | Elena Vesnina | Loss | 1-6, 6-7 (6-8) |
| Qatar Total Open | ||
| Surface: Hard | Date: Feb. 12 - Feb. 18 | Seed: 6 |
| Round | Opponent | W / L | Result |
| First Round | Bye | ||
| Second Round | Mihaela Buzarnescu | Loss | 1-6, 3-6 |
| St. Petersburg Ladies Trophy | ||
| Surface: Hard | Date: Jan. 29 - Feb. 4 | Seed: 2 |
| Round | Opponent | W / L | Result |
| First Round | Bye | ||
| Second Round | Vera Zvonareva | Win | 7-6 (8-6), 6-3 |
| Quarterfinals | Petra Kvitova | Loss | 0-6, 2-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 15 - Jan. 28 | Seed: 7 |
| Round | Opponent | W / L | Result |
| First Round | Francesca Schiavone | Win | 6-1, 6-4 |
| Second Round | Ying-Ying Duan | Win | 6-3, 3-6, 6-4 |
| Third Round | Anett Kontaveit | Loss | 3-6, 6-1, 3-6 |
| Sydney International | ||
| Surface: Hard | Date: Jan. 7 - Jan. 13 | Seed: 3 |
| Round | Opponent | W / L | Result |
| First Round | Ekaterina Makarova | Loss | 6-7 (3-7), 1-6 |
| Shenzhen Gemdale Open | ||
| Surface: Hard | Date: Dec. 31 - Jan. 6 | Seed: 2 |
| Round | Opponent | W / L | Result |
| First Round | Kristyna Pliskova | Loss | 1-6, 4-6 |
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