Jelena Ostapenko
2014
| Us Open Junior | [2] | 2R |
| Wimbledon Junior | Win | |
| Roland Garros Junior | 1R | |
| Australian Open Junior | [6] | Quarter |
2013
2012
Nation
LAT
Age
27 years old (born in 1997)
World Ranking
WTA Ranking　24th
Match Details
2014 Us Open Junior
| W | 1R | Theresa Alison Van Zyl | 6-1 6-2 |
| L | 2R | Marie Bouzkova | 3-6 1-6 |
2014 Wimbledon Junior
| W | 1R | Anastasia Mikheeva | 6-4 6-3 |
| W | 2R | Natalia Vikhlyantseva | 7-6 4-6 6-2 |
| W | 3R | Anhelina Kalinina | 6-2 6-2 |
| W | QF | Tornado Alicia Black | 6-3 6-1 |
| W | SF | Marketa Vondrousova | 6-1 6-2 |
| W | F | Kristina Schmiedlova | 2-6 6-3 6-0 |
2014 Roland Garros Junior
| L | 1R | Francoise Abanda | 6-7 4-6 |
2014 Australian Open Junior
| W | 1R | Kaylah Mcphee | 6-1 7-5 |
| W | 2R | Margot Yerolymos | 7-6 6-2 |
| W | 3R | Naiktha Bains | 3-6 7-5 6-1 |
| L | QF | Elizaveta Kulichkova | 1-6 6-1 4-6 |
2013 Us Open Junior
| L | 1R | Ana Konjuh | 7-5 4-6 4-6 |
2013 Wimbledon Junior
| L | 1R | Harriet Dart | 4-6 6-7 |
2013 Australian Open Junior
| W | 1R | Christina Makarova | 6-0 6-2 |
| W | 2R | Sandra Samir | 6-3 6-4 |
| W | 3R | Ching-Wen Hsu | 6-3 6-3 |
| L | QF | Katerina Siniakova | 2-6 2-6 |
2012 Us Open Junior
| L | 1R | Viktoriya Lushkova | 3-6 3-6 |
2012 Wimbledon Junior
| L | 1R | Zuzanna Maciejewska | 2-6 6-7 |
2012 Australian Open Junior
| W | 1R | Su Jeong Jang | 2-6 7-6 6-3 |
| L | 2R | Kyle Mcphillips | 2-6 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5774, Number of registered players: 3,011, Number of registered results: 222,093