Olesya Pervushina
2017
| Roland Garros Junior | [12] | 3R |
2016
| Us Open Junior | [2] | 2R |
| Wimbledon Junior | [1] | Semi |
| Roland Garros Junior | [1] | Semi |
2015
Nation
RUS
Rival
Maria Mateas (2-0)
Match Details
2017 Roland Garros Junior
| W | 1R | Jule Niemeier | 7-6 5-7 6-2 |
| W | 2R | Daniela Vismane | 6-2 5-7 6-3 |
| L | 3R | Claire Liu | 3-6 3-6 |
2016 Us Open Junior
| W | 1R | Panna Udvardy | 4-6 6-3 6-4 |
| L | 2R | Carson Branstine | 6-2 6-7 4-6 |
2016 Wimbledon Junior
| W | 1R | Maria Mateas | 4-6 7-6 6-2 |
| W | 2R | Tatiana Pieri | 6-1 6-2 |
| W | 3R | Alexandra Sanford | 6-2 7-6 |
| W | QF | Sofia Kenin | 6-0 6-0 |
| L | SF | Dayana Yastremska | 6-7 7-6 3-6 |
2016 Roland Garros Junior
| W | 1R | Jaimee Fourlis | 6-1 6-2 |
| W | 2R | Maria Mateas | 6-3 6-2 |
| W | 3R | Marketa Vondrousova | 5-7 6-1 7-5 |
| W | QF | Ioana Minca | 6-1 6-1 |
| L | SF | Rebeka Masarova | 6-7 2-6 |
2015 Us Open Junior
| L | 1R | Francesca Di Lorenzo | 7-6 6-7 3-6 |
2015 Wimbledon Junior
| W | 1R | Freya Christie | 6-2 6-3 |
| W | 2R | Shilin Xu | 6-3 4-6 6-3 |
| L | 3R | Michaela Gordon | 6-1 6-7 2-6 |
2015 Roland Garros Junior
| W | 1R | Emmanuelle Salas | 6-2 6-3 |
| W | 2R | Dalma Galfi | 4-6 6-4 6-0 |
| L | 3R | Katharina Hobgarski | 1-6 6-4 4-6 |
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