Teodora Kostovic
2025
| Australian Open Junior | [5] | 2R |
| J300Traralgon | [2] | 1R |
2024
| J500Plantation | [2] | 3R |
| J300Bradenton | [1] | Win |
| J500Merida | [1] | 3R |
| Us Open Junior | [4] | Quarter |
| J300Collegepark | [2] | Win |
| J300Bytom | [1] | Win |
| Wimbledon Junior | [15] | Quarter |
| J300Roehampton | [14] | Win |
| Roland Garros Junior | [16] | 3R |
| J500Milan | [10] | 2R |
| J500Offenbach | [9] | Final |
| J300Plovdiv | [1] | Semi |
| J300Indianwells | [1] | Final |
| J500Cairo | [4] | Quarter |
| Australian Open Junior | [13] | 2R |
| J300Traralgon | [7] | 3R |
2023
| J500Plantation | [7] | 1R |
| J300Bradenton | [5] | Final |
| Us Open Junior | [14] | 2R |
| J300Collegepark | [3] | Semi |
| Wimbledon Junior | [14] | 1R |
| Roland Garros Junior | 3R |
Nation
SRB
Generation
Born in 2007 (17-18 years old)
Year-end Junior World Ranking
- Year-end 2024 9th
- Year-end 2023 20th
- Year-end 2022 129th
Rival
Yelyzaveta Kotliar (2-1)
Wakana Sonobe (0-3)
Iva Jovic (2-1)
Rositsa Dencheva (1-2)
Elizara Yaneva (2-1)
Match Details
2025 Australian Open Junior
| W | 1R | Sarah Melany Fajmonova | 6-4 6-4 |
| L | 2R | Lilli Tagger | 6-4 3-6 2-4 |
2025 J300Traralgon
| L | 1R | Krisha Mahendran | 6-7 4-6 |
2024 J500Plantation
| W | 1R | Julieta Pareja | 6-2 6-3 |
| W | 2R | Charo Esquiva Banuls | 6-4 6-4 |
| L | 3R | Nadia Lagaev | 6-2 1-6 6-7 |
2024 J300Bradenton
| W | 1R | Marie Slamenikova | 6-3 6-1 |
| W | 2R | Ava Rodriguez | 6-2 6-0 |
| W | 3R | Nellie Taraba Wallberg | 6-2 6-4 |
| W | QF | Luna Maria Cinalli | 7-5 6-3 |
| W | SF | Alena Kovackova | 4-6 6-3 6-3 |
| W | F | Tereza Krejcova | 6-4 6-1 |
2024 J500Merida
| W | 1R | Hadley Appling | 6-3 6-0 |
| W | 2R | Maayan Laron | 6-4 6-0 |
| L | 3R | Anita Tu | 6-7 6-2 2-6 |
2024 Us Open Junior
| W | 1R | Julieta Pareja | 6-4 4-6 6-0 |
| W | 2R | Mia Pohankova | 7-6 6-2 |
| W | 3R | Eliska Tichackova | 3-6 7-5 6-2 |
| L | QF | Wakana Sonobe | 3-6 4-6 |
2024 J300Collegepark
| W | 2R | Annika Penickova | 7-5 6-4 |
| W | 3R | Shannon Lam | 6-4 6-3 |
| W | QF | Yelyzaveta Kotliar | 6-4 6-0 |
| W | SF | Rositsa Dencheva | 6-2 6-2 |
| W | F | Thea Frodin | 7-5 6-2 |
2024 J300Bytom
| W | 2R | Dora Miskovic | 6-4 6-0 |
| W | 3R | Laura Brunkel | 6-0 6-1 |
| W | QF | Eugenia Zozaya Menendez | 6-4 6-1 |
| W | SF | Julia Stusek | 6-1 7-5 |
| W | F | Yelyzaveta Kotliar | 7-6 6-2 |
2024 Wimbledon Junior
| W | 1R | Malak El Allami | 6-1 6-2 |
| W | 2R | Mika Stojsavljevic | 4-6 6-3 7-6 |
| W | 3R | Laura Samson | 6-3 6-4 |
| L | QF | Iva Jovic | 3-6 2-6 |
2024 J300Roehampton
| W | 1R | Flora Johnson | 6-4 6-2 |
| W | 2R | Olivia Carneiro | 6-1 6-2 |
| W | 3R | Monika Stankiewicz | 6-3 6-4 |
| W | QF | Elizara Yaneva | 6-2 6-3 |
| W | SF | Emerson Jones | 6-4 6-3 |
| W | F | Iva Jovic | 2-6 6-3 7-6 |
2024 Roland Garros Junior
| W | 1R | Margot Phanthala | 6-1 6-1 |
| W | 2R | Monika Stankiewicz | 6-2 3-6 6-2 |
| L | 3R | Renata Jamrichova | 6-0 3-6 4-6 |
2024 J500Milan
| W | 1R | Greta Petrillo | 6-3 6-3 |
| L | 2R | Elizara Yaneva | 6-3 4-6 0-4 |
2024 J500Offenbach
| W | 1R | Laima Vladson | 6-0 4-0 |
| W | 2R | Valentina Steiner | 6-4 6-0 |
| W | 3R | Charo Esquiva Banuls | 6-4 6-1 |
| W | QF | Julia Stusek | 3-6 7-5 6-4 |
| W | SF | Sonja Zhenikhova | 7-6 6-2 |
| L | F | Wakana Sonobe | 3-6 1-3 |
2024 J300Plovdiv
| W | 1R | Ema Mravcova | 6-0 6-2 |
| W | 2R | Anamaria Federica Oana | 6-4 6-4 |
| W | QF | Meritxell Teixido Garcia | 6-3 6-2 |
| L | SF | Rositsa Dencheva | 3-6 6-7 |
2024 J300Indianwells
| W | 2R | Elizabeth Ionescu | 6-3 6-3 |
| W | 3R | Maya Iyengar | 7-6 7-6 |
| W | QF | Kristina Liutova | 6-2 6-3 |
| W | SF | Thea Frodin | 4-6 6-2 6-1 |
| L | F | Valerie Glozman | 2-6 2-6 |
2024 J500Cairo
| W | 1R | Nardine Salem | 6-1 6-1 |
| W | 2R | Magdalena Smekalova | 6-1 6-2 |
| W | 3R | Asylzhan Arystanbekova | 6-1 6-2 |
| L | QF | Daria Egorova | 4-6 1-6 |
2024 Australian Open Junior
| W | 1R | Elena Ruxandra Bertea | 4-6 6-3 6-4 |
| L | 2R | Mika Stojsavljevic | 1-6 2-6 |
2024 J300Traralgon
| W | 1R | Kate Fakih | 6-4 6-2 |
| W | 2R | Joy De Zeeuw | 1-6 6-3 6-2 |
| L | 3R | Yelyzaveta Kotliar | 6-7 5-7 |
2023 J500Plantation
| L | 1R | Trinetra Vijayakumar | 4-6 1-2 |
2023 J300Bradenton
| W | 1R | Krisha Mahendran | 6-0 6-4 |
| W | 2R | Margot Phanthala | 6-0 6-3 |
| W | 3R | Elizara Yaneva | 7-5 6-3 |
| W | QF | Alena Kovackova | 6-7 6-4 6-0 |
| W | SF | Iva Jovic | 6-4 6-3 |
| L | F | Wakana Sonobe | 3-6 1-6 |
2023 Us Open Junior
| W | 1R | Francesca Pace | 4-6 6-3 6-2 |
| L | 2R | Hannah Klugman | 4-6 4-6 |
2023 J300Collegepark
| W | 2R | Victoria Osuigwe | 6-1 6-2 |
| W | 3R | Ariana Anazagasty-Pursoo | 0-6 7-6 7-6 |
| W | QF | Gloriana Nahum | 6-3 5-7 6-3 |
| L | SF | Emerson Jones | 2-6 2-6 |
2023 Wimbledon Junior
| L | 1R | Rositsa Dencheva | 0-6 1-6 |
2023 Roland Garros Junior
| W | 1R | Sayaka Ishii | 7-6 6-2 |
| W | 2R | Tamara Kostic | 6-1 6-3 |
| L | 3R | Alisa Oktiabreva | 6-4 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