Marta Kostyuk
2017
| US OPEN JUNIOR | [2] | 2R |
| J1 REPENTIGNY | [1] | Win |
| WIMBLEDON JUNIOR | [5] | 2R |
| J1 ROEHAMPTON | [3] | Semi |
| ROLAND GARROS JUNIOR | [4] | 2R |
| AUSTRALIAN OPEN JUNIOR | [11] | Win |
| J1 TRARALGON | [10] | Final |
Nation
UKR
Age
23 years old (born in 2002)
World Ranking
WTA Ranking　28th
Rival
naho sato (3-0)
Match Details
2017 US OPEN JUNIOR
| W | 1R | Sada Nahimana | 4-6 6-0 6-0 |
| L | 2R | Elysia Bolton | 6-7 2-6 |
2017 J1 REPENTIGNY
| W | 2R | Monica Cappelletti | 6-3 6-4 |
| W | 3R | Lulu Sun | 6-2 3-6 6-3 |
| W | QF | Naho Sato | 3-6 7-5 6-3 |
| W | SF | Olga Danilovic | - - - |
| W | F | Layne Sleeth | 6-2 6-2 |
2017 WIMBLEDON JUNIOR
| W | 1R | Kaja Juvan | 7-5 6-3 |
| L | 2R | Maja Chwalinska | 1-6 4-6 |
2017 J1 ROEHAMPTON
| W | 1R | Maria Jose Portillo Ramirez | 6-1 6-1 |
| W | 2R | Anri Nagata | 6-1 6-0 |
| W | 3R | Karolina Berankova | 6-3 6-4 |
| W | QF | Taylor Johnson | 6-0 6-0 |
| L | SF | Claire Liu | 2-6 6-7 |
2017 ROLAND GARROS JUNIOR
| W | 1R | Mylene Halemai | 6-3 6-2 |
| L | 2R | Amina Anshba | 6-3 6-7 3-6 |
2017 AUSTRALIAN OPEN JUNIOR
| W | 1R | Mahak Jain | 6-3 6-3 |
| W | 2R | Naho Sato | 6-1 2-6 6-2 |
| W | 3R | Jodie Anna Burrage | 6-7 6-1 6-4 |
| W | QF | En Shuo Liang | 6-3 6-1 |
| W | SF | Elena Rybakina | 6-1 7-5 |
| W | F | Rebeka Masarova | 7-5 1-6 6-4 |
2017 J1 TRARALGON
| W | 1R | Elys Saguil-Ventura | 6-1 6-0 |
| W | 2R | Astrid Wanja Brune Olsen | 6-2 6-3 |
| W | 3R | Naho Sato | 6-4 6-3 |
| W | QF | Joanna Garland | 4-6 6-2 6-3 |
| W | SF | Pei Hsuan Chen | 6-2 4-6 6-2 |
| L | F | Iga Swiatek | 3-6 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 14431, Number of registered players: 7,549, Number of registered results: 449,006