Kaan Isik Kosaner
2025
| J200Hanover | 2R | |
| J200Piestany | [8] | 2R |
| J100Istanbul-2 | [1] | 3R |
| J100Antalya | [3] | Win |
| J100Thehague | [2] | Final |
| J200Siauliai | Quarter | |
| J100Istanbul | [3] | Win |
2024
| J100Aizkraukle-3 | [8] | 1R |
| J200Istanbul | 1R | |
| J100Krakow | [4] | Quarter |
| J200Castricum | 1R | |
| J100Almaty | 2R | |
| J60Istanbul-2 | [4] | Win |
| J60Istanbul | [5] | Quarter |
| J100Izmir | Semi | |
| J100Istanbul-3 | Semi | |
| J100Istanbul-2 | 2R | |
| J60Antalya-3 | 1R | |
| J100Antalya | 3R | |
| J60Antalya | [12] | Quarter |
| J100Istanbul | Semi |
2023
| J30Istanbul-4 | [4] | Semi |
| J30Istanbul-3 | [4] | Semi |
| J60Tehran | [3] | Semi |
| J60Corfu | 2R | |
| J60Istanbul-2 | 1R | |
| J60Istanbul | 2R | |
| J100Izmir | 1R | |
| J30Istanbul | [15] | Semi |
| J60Antalya | Semi | |
| J100Istanbul | 3R |
2022
Nation
TUR
Generation
Born in 2009 (15-16 years old)
World Ranking
Junior World Ranking 166th
Year-end Junior World Ranking
- Year-end 2024 349th
- Year-end 2023 891th
Rival
Melih Anavatan (1-3)
Doruk Calikoglu (3-0)
Daniil Chizhuk (3-0)
Kerem Yilmaz (1-1)
Kemal Arda Karakas (1-1)
Match Details
2025 J200Hanover
| W | 1R | Kirill Filaretov | 7-5 4-6 7-6 |
| L | 2R | Michael Antonius | 6-3 3-6 3-6 |
2025 J200Piestany
| W | 1R | Dominik Vagner | 6-1 7-6 |
| L | 2R | Heorhii Shylov | 4-6 2-6 |
2025 J100Istanbul-2
| W | 1R | Laurence Teunissen | 6-2 6-3 |
| W | 2R | Maximus Zavier Wong | 6-3 6-3 |
| L | 3R | Philipp Dolotov | 3-6 6-7 |
2025 J100Antalya
| W | 1R | Abdulaziz Usmonjonov | 6-3 6-3 |
| W | 2R | Leonardo Leti Messina | 6-4 7-6 |
| W | QF | Filip Drab | 4-6 6-4 7-5 |
| W | SF | Raffaele Ciurnelli | 7-5 6-1 |
| W | F | Cezar Stefan Bentzel | 7-6 6-1 |
2025 J100Thehague
| W | 2R | Joris Clermonts | 1-6 6-3 6-1 |
| W | 3R | Stan Put | 4-6 6-2 6-1 |
| W | QF | Kristian Vukovic | 6-4 6-4 |
| W | SF | Dylan Davies | 6-4 3-6 6-2 |
| L | F | Hidde Schoenmakers | 4-6 2-6 |
2025 J200Siauliai
| W | 1R | Filip Kosinski | 7-5 6-3 |
| W | 2R | Conor Brady | 6-1 6-3 |
| L | QF | Linus Lagerbohm | 1-6 4-6 |
2025 J100Istanbul
| W | 1R | Vitorio Stankov | 6-0 6-1 |
| W | 2R | Yanael Beranger | 6-1 6-3 |
| W | 3R | Stefanos Pournaropoulos | 6-3 6-3 |
| W | QF | Alex Huszar | 6-4 6-2 |
| W | SF | Marat Salbiev | 6-2 7-5 |
| W | F | Doruk Calikoglu | 6-7 6-3 1-1 |
2024 J100Aizkraukle-3
| L | 1R | Niklas Maislinger | 3-6 6-7 |
2024 J200Istanbul
| L | 1R | Martin Doskocil | 6-7 4-6 |
2024 J100Krakow
| W | 1R | Jan Urbanski | 6-4 6-7 6-0 |
| W | 2R | Tair Sarmanov | 6-0 6-2 |
| L | QF | Jan Sadzik | 2-6 4-6 |
2024 J200Castricum
| L | 1R | Kolos Kincses | 4-6 3-6 |
2024 J100Almaty
| W | 1R | Zhakas Kozbak | 6-1 6-1 |
| L | 2R | Aarjun Pandit | 6-7 3-6 |
2024 J60Istanbul-2
| W | 1R | Hartmut Fiedler | 6-3 6-4 |
| W | 2R | Antonio Zafra | 6-2 6-1 |
| W | QF | Harry Abel | 6-3 7-5 |
| W | SF | Danial Spasov | 6-0 7-5 |
| W | F | Doruk Calikoglu | 6-2 6-4 |
2024 J60Istanbul
| W | 1R | Maximilian Petkovic | 6-1 6-1 |
| W | 2R | Dmytro Maliev | 6-3 7-5 |
| W | 3R | Olav Berg | 6-3 6-4 |
| L | QF | Jay Johnson-Hauldren | 5-7 6-2 6-7 |
2024 J100Izmir
| W | 1R | Egor Gorin | 3-6 6-1 7-5 |
| W | 2R | Kerem Yilmaz | 4-6 6-4 6-3 |
| W | QF | Cemil Tugra Duran | 7-5 6-3 |
| L | SF | Zangar Nurlanuly | 3-6 5-7 |
2024 J100Istanbul-3
| W | 1R | Koshiro Nakamae | 6-3 6-4 |
| W | 2R | Leon Peranovic | 6-4 6-2 |
| W | 3R | Dmitrii Burtsev | 6-3 2-6 7-5 |
| W | QF | Vladimir Pavlov | 7-6 6-4 |
| L | SF | Melih Anavatan | 3-6 3-6 |
2024 J100Istanbul-2
| W | 1R | Pavel Savelov | 6-1 6-4 |
| L | 2R | Yannick Theodor Alexandrescou | 0-6 7-5 5-7 |
2024 J60Antalya-3
| L | 1R | Vitaliy Zatsepin | 2-6 6-3 3-6 |
2024 J100Antalya
| W | 1R | Damir Abdusamadov | 6-1 6-3 |
| W | 2R | Mihnea Maftei | 4-6 7-6 7-6 |
| L | 3R | Alex Guidi | 3-6 4-6 |
2024 J60Antalya
| W | 1R | Matvei Kobiakov | 6-2 6-3 |
| W | 2R | Vladimir Kadobine | 6-0 6-1 |
| W | 3R | Ramazan Kaan Oktay | 6-7 7-6 6-1 |
| L | QF | Melih Anavatan | 5-7 5-7 |
2024 J100Istanbul
| W | 1R | Arshiya Rasoulinia | 6-1 6-1 |
| W | 2R | Bugra Ozkoc | 6-7 6-1 6-1 |
| W | 3R | Melih Anavatan | 6-3 6-1 |
| W | QF | Yannic Nittmann | 7-6 4-6 6-3 |
| L | SF | Ivan Gretskiy | 6-4 3-6 5-7 |
2023 J30Istanbul-4
| W | 1R | Metehan Genc | 6-1 6-0 |
| W | 2R | Nikita Kletsov | 6-3 6-1 |
| W | 3R | Jan Sykora | 6-1 6-1 |
| W | QF | Alp Kemal Aksoy | 6-0 6-3 |
| L | SF | Melih Anavatan | 6-7 5-7 |
2023 J30Istanbul-3
| W | 1R | Eren Uranli | 6-7 6-2 6-1 |
| W | 2R | Kerim Erdal Parlakbilek | 6-0 6-1 |
| W | 3R | Ege Altas | 6-0 7-5 |
| W | QF | Mohamed Ben Hassen | 4-6 6-3 6-0 |
| L | SF | Emirhan Bulut | 6-2 6-7 1-6 |
2023 J60Tehran
| W | 1R | Airik Abedinzadeh | 6-2 6-1 |
| W | 2R | Amirparsa Molaeipour | 6-0 6-3 |
| W | QF | Daniil Chizhuk | 6-3 6-3 |
| L | SF | Amirali Ghavam | 4-6 2-6 |
2023 J60Corfu
| W | 1R | Riccardo Ignoto | 6-2 6-2 |
| L | 2R | Christos Glavas | 2-6 1-6 |
2023 J60Istanbul-2
| L | 1R | Charles Chen | 4-6 6-3 6-7 |
2023 J60Istanbul
| W | 1R | Daniil Chizhuk | 6-3 6-4 |
| L | 2R | Emirhan Bulut | 3-6 5-7 |
2023 J100Izmir
| L | 1R | Matteo Lavizzari | 2-6 1-6 |
2023 J30Istanbul
| W | 1R | Ilia Mehrabani | 6-2 6-3 |
| W | 2R | Daniil Chizhuk | 6-1 6-2 |
| W | 3R | Doruk Calikoglu | 6-7 6-4 6-2 |
| W | QF | Kemal Arda Karakas | 7-6 5-0 |
| L | SF | Roman Kharlamov | 4-6 4-6 |
2023 J60Antalya
| W | 1R | Arkhip Kozlov | 7-5 4-6 6-1 |
| W | 2R | Aril Kayra Tuna | 6-3 6-3 |
| W | 3R | Ilhan Basar Senel | 7-5 6-1 |
| W | QF | Pavel Marinov | 6-1 6-2 |
| L | SF | Kemal Arda Karakas | 0-6 3-6 |
2023 J100Istanbul
| W | 1R | Imran Khaitbaev | 6-2 6-4 |
| W | 2R | Gabriel Ghetu | 3-6 6-2 7-6 |
| L | 3R | Kerem Yilmaz | 3-6 2-6 |
2022 J5Istanbul-4
| L | 1R | Tega Caradima | 4-6 1-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9232, Number of registered players: 5,739, Number of registered results: 303,630