Barbara Kostecka
2025
| J200 SZEKESFEHERVAR | 1R | |
| J200 MUGLA | [5] | Quarter |
| J200 RAKOVNIK | [9] | 3R |
| J200 BELGRADE | 2R | |
| J300 PANCEVO | Quarter | |
| J300 BYTOM | 2R | |
| J200 PILSEN | Semi | |
| J300 BAMBERG | 2R | |
| J300 CHARLEROI-MARCINELLE | 1R | |
| J200 TARGUJIU | Quarter | |
| J200 PRATO | Quarter | |
| J200 SALSOMAGGIORE | 1R | |
| J100 HANKO | [7] | Semi |
| J100 LOUGHBOROUGH-2 | [7] | 2R |
| J60 SZCZECIN | [1] | Semi |
| J60 OBERPULLENDORF | [4] | Win |
2024
| J100 AIZKRAUKLE-3 | 1R | |
| J60 MOGYOROD | [2] | 1R |
| J100 STAVANGER | [8] | 3R |
| J100 KRAKOW | 1R | |
| J300 BYTOM | 1R | |
| J60 TALLINN | [5] | Final |
| J100 SOBOTA | Quarter | |
| J100 RABAT | Quarter | |
| J100 MOHAMMEDIA | Quarter | |
| J100 LIMASSOL | 2R | |
| J60 LARNACA | 3R | |
| J60 WARSAW | 2R |
2023
Nation
POL
Generation
Born in 2009 (15-16 years old)
Year-end Junior World Ranking
- Year-end 2024 482th
- Year-end 2023 1121th
Rival
Tereza Hermanova (1-1)
Mariella Thamm (0-2)
Ida Wobker (0-2)
Sofia Barhacova (2-0)
Nina Andronicou (1-1)
Match Details
2025 J200 SZEKESFEHERVAR
| L | 1R | Ida Wobker | 1-6 6-2 2-6 |
2025 J200 MUGLA
| W | 1R | Sukriye Ezgi Akyol | 6-1 6-2 |
| W | 2R | Pavla Sviglerova | 6-3 2-6 6-4 |
| L | QF | Ida Wobker | 4-6 3-6 |
2025 J200 RAKOVNIK
| W | 2R | Barbora Slavikova | 6-1 7-5 |
| L | 3R | Nina Andronicou | 3-6 2-6 |
2025 J200 BELGRADE
| W | 1R | Eva Kaliadina | 6-4 6-0 |
| L | 2R | Mariella Thamm | 5-7 6-4 1-6 |
2025 J300 PANCEVO
| W | 1R | Anna Pushkareva | 4-6 6-4 6-3 |
| W | 2R | Megan Knight | 7-5 6-1 |
| L | QF | Anna Pircher | 1-6 3-6 |
2025 J300 BYTOM
| W | 1R | Sofia Barhacova | 6-4 6-2 |
| L | 2R | Giulia Safina Popa | 7-5 0-6 0-6 |
2025 J200 PILSEN
| W | 1R | Vanessa Svobodova | 6-1 6-4 |
| W | 2R | Tereza Hermanova | 6-4 5-7 7-5 |
| W | QF | Leonie Rabl | 6-2 7-6 |
| L | SF | Veronika Sekerkova | 6-2 4-6 4-6 |
2025 J300 BAMBERG
| W | 1R | Ciara Harding | 6-2 2-6 6-2 |
| L | 2R | Polina Skliar | 1-6 0-2 |
2025 J300 CHARLEROI-MARCINELLE
| L | 1R | Eugenia Zozaya Menendez | 6-3 3-6 5-7 |
2025 J200 TARGUJIU
| W | 1R | Felitsata Dorofeeva-Rybas | 1-6 7-5 6-2 |
| W | 2R | Simona Gabriela Rosu | 6-0 6-4 |
| L | QF | Ioana Stefania Boian | 0-6 0-6 |
2025 J200 PRATO
| W | 1R | Alessandra Fiorillo | 3-6 6-4 7-5 |
| W | 2R | Gabriela Paun | 6-3 6-1 |
| L | QF | Mariella Thamm | 2-6 7-5 3-6 |
2025 J200 SALSOMAGGIORE
| L | 1R | Sveva Pieroni | 2-6 2-6 |
2025 J100 HANKO
| W | 1R | Ema Chladova | 7-6 7-5 |
| W | 2R | Jana Denisenko | 6-1 0-6 6-4 |
| W | QF | Isabella Wong | 6-3 6-4 |
| L | SF | Tereza Hermanova | 2-6 1-6 |
2025 J100 LOUGHBOROUGH-2
| W | 1R | Leah Bush | 6-4 6-3 |
| L | 2R | Edie Griffiths | 7-5 4-6 4-6 |
2025 J60 SZCZECIN
| W | 1R | Martyna Sikora | 1-6 6-1 6-1 |
| W | 2R | Liubou Murashka | 7-5 6-2 |
| W | QF | Kamilla Cernousova | 6-2 6-1 |
| L | SF | Gloria Levinsky | 3-6 6-2 3-5 |
2025 J60 OBERPULLENDORF
| W | 1R | Sofia Barhacova | 6-4 6-1 |
| W | 2R | Lea Haider-Maurer | 6-2 6-1 |
| W | QF | Elisabeth Braathen | 6-3 7-5 |
| W | SF | Monika Jirouskova | 3-6 7-5 6-4 |
| W | F | Greta Nemcsek | 5-7 6-4 7-5 |
2024 J100 AIZKRAUKLE-3
| L | 1R | Pavla Sviglerova | 3-6 3-6 |
2024 J60 MOGYOROD
| L | 1R | Lujza Beviz | 3-6 2-6 |
2024 J100 STAVANGER
| W | 2R | Emma Brandt Schultz | 6-1 6-0 |
| L | 3R | Emilija Lebedevaite | 1-6 3-6 |
2024 J100 KRAKOW
| L | 1R | Karolina Krajmer | 3-6 4-6 |
2024 J300 BYTOM
| L | 1R | Luna Vujovic | 2-6 1-6 |
2024 J60 TALLINN
| W | 1R | Laura Ozola | 6-1 6-2 |
| W | 2R | Alexandra Lindqvist | 6-2 6-3 |
| W | QF | Anna Mihalka | 6-2 5-7 6-1 |
| W | SF | Marija Lauva | 6-3 6-3 |
| L | F | Sara Kastakova | 6-3 2-6 3-6 |
2024 J100 SOBOTA
| W | 1R | Nikola Koprivova | 4-6 7-5 6-3 |
| W | 2R | Oliwia Klimas | 6-4 6-2 |
| L | QF | Melinda Biro | 2-6 6-7 |
2024 J100 RABAT
| W | 1R | Rita Raiss | 6-1 6-2 |
| W | 2R | Nour El Ouazzani | 6-1 6-4 |
| L | QF | Mireia Sagrista Bermejo | 2-6 6-7 |
2024 J100 MOHAMMEDIA
| W | 1R | Eva Marie Desvignes | 6-1 3-6 6-0 |
| W | 2R | Sophie Ray | 7-6 6-1 |
| L | QF | Alba Maria Coromina Boluda | 3-6 5-7 |
2024 J100 LIMASSOL
| W | 1R | Nina Andronicou | 6-4 6-0 |
| L | 2R | Artemis Aslanisvili | 1-6 1-6 |
2024 J60 LARNACA
| W | 1R | Maria Kovacevic | 6-1 6-2 |
| W | 2R | Sara Maria Dragnea | 4-6 6-4 6-4 |
| L | 3R | Anastasia Efremova | 6-3 4-6 1-6 |
2024 J60 WARSAW
| W | 1R | Aliaksandra Skapets | 7-5 4-6 6-3 |
| L | 2R | Yeva Galiievska | 3-6 2-6 |
2023 J30 KOZERKI
| W | 1R | Nikol Janickovicova | 6-1 6-2 |
| W | 2R | Oliwia Drozdz | 6-3 6-1 |
| W | QF | Floortje Chrisstoffels | 6-1 6-2 |
| W | SF | Karolina Golda | 7-6 6-0 |
| W | F | Kristyna Dulikova | 6-4 6-4 |
2023 J60 PSZCZYNA
| W | 1R | Maryia Kolas | 7-5 7-5 |
| W | 2R | Sara Mlenska | 6-2 2-6 6-3 |
| W | QF | Sara Husar | 6-3 6-3 |
| L | SF | Sara Borkop | 4-6 7-6 4-6 |
2023 J30 BIELSKO-BIALA
| L | 1R | Timea Gross | 4-6 6-2 1-6 |
2023 J100 KRAKOW
| W | 1R | Safien Boulonois | 6-2 7-5 |
| L | 2R | Lea Nilsson | 2-6 2-6 |
2023 J30 MICHALOWEK
| L | 1R | Amelie Brozova | 3-6 4-6 |
2023 J60 WARSAW
| L | 1R | Ilary Pistola | 1-6 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9942, Number of registered players: 6,164, Number of registered results: 343,780