Jan Sykora
2025
| J60Marsa | [7] | 2R |
| J60Adazi | [4] | 1R |
| J100Nairobi | [9] | Quarter |
| J60Nairobi | [10] | Quarter |
| J30Nairobi | [4] | Quarter |
| J60Frankfurtammain | 1R |
2024
| J60Stirling | 1R | |
| J60Cairo-4 | [7] | Quarter |
| J60Cairo-3 | 1R | |
| J60Velilosinj | [12] | 3R |
| J30Ingelheim | [2] | 1R |
| J30Clujnapoca | [6] | Win |
| J30Bucharest | [10] | 3R |
| J30Frederiksberg | [7] | Semi |
| J30Hasselt-2 | [12] | 2R |
| J30Banjaluka-2 | 2R | |
| J30Limassol-2 | 1R | |
| J200Piestany | 1R | |
| J30Guessing | 1R | |
| J30Oslo | [8] | Quarter |
| J60Frederiksberg | 1R | |
| J30Murskasobota | 1R | |
| J30Maribor | 2R |
2023
Nation
CZE
Generation
Born in 2008 (16-17 years old)
World Ranking
Junior World Ranking 582th
Year-end Junior World Ranking
- Year-end 2024 987th
- Year-end 2023 1876th
- Year-end 2022 3249th
Match Details
2025 J60Marsa
| W | 1R | Jakob Letsch | 6-2 6-1 |
| L | 2R | David Stefan Burac | 2-6 1-6 |
2025 J60Adazi
| L | 1R | Tymur Chukanov | 6-2 1-6 4-6 |
2025 J100Nairobi
| W | 2R | Thomas Piot | 6-2 6-2 |
| W | 3R | Uros Zivkovic | 6-3 6-3 |
| L | QF | Samarth Sahita | 4-6 3-6 |
2025 J60Nairobi
| W | 2R | Mikhail Michshenko | 6-4 6-2 |
| W | 3R | Tong Liu | 3-6 7-5 6-1 |
| L | QF | Dan Brand | 3-6 2-6 |
2025 J30Nairobi
| W | 2R | Nicholas Capel | 4-6 6-0 6-1 |
| W | 3R | Alberto Ciarapica | 7-6 6-2 |
| L | QF | Airik Abedinzadeh | 1-6 1-6 |
2025 J60Frankfurtammain
| L | 1R | Oliver Majdandzic | 3-6 1-6 |
2024 J60Stirling
| L | 1R | Aran Selvaraasan | 5-7 1-6 |
2024 J60Cairo-4
| W | 1R | Hamza Saied | 6-1 6-1 |
| W | 2R | Abdelrahman Elwelily | 6-2 6-2 |
| L | QF | Youssef Elshafei | 1-6 6-7 |
2024 J60Cairo-3
| L | 1R | Yassin Elaroussy | 6-7 2-6 |
2024 J60Velilosinj
| W | 1R | Klas Gorensek | 6-3 6-4 |
| W | 2R | Tommaso Pedretti | 7-6 6-4 |
| L | 3R | Antonin Witz | 1-4 2-4 |
2024 J30Ingelheim
| L | 1R | Viggo Wagenknecht | 6-2 6-7 2-6 |
2024 J30Clujnapoca
| W | 1R | Stefan Alexandru Petcu | 7-5 6-1 |
| W | 2R | Alex Mirrington | 6-1 6-3 |
| W | QF | Dev Kanbargimath | 4-6 6-4 6-1 |
| W | SF | Viktor Viraghalmi | 6-1 6-3 |
| W | F | David - Ioan Morega | 6-0 6-1 |
2024 J30Bucharest
| W | 2R | Noris Nedelcovici | 6-0 6-7 6-3 |
| L | 3R | Radu Valentin Filipache | 2-6 2-6 |
2024 J30Frederiksberg
| W | 2R | Orvar Andersch | 6-3 6-1 |
| W | 3R | Mick Ilnicki | 6-1 7-6 |
| W | QF | Gabriel Maciel Araujo Pyndt | 4-6 6-1 6-0 |
| L | SF | Marcus Sehested | 6-7 1-6 |
2024 J30Hasselt-2
| L | 2R | Jonathan Dazert | 4-6 5-7 |
2024 J30Banjaluka-2
| W | 1R | Lasse Zajc Gajsek | 6-3 6-0 |
| L | 2R | Rowan Qalbani | 5-7 4-6 |
2024 J30Limassol-2
| L | 1R | Alessandro Hunziker | 1-6 0-6 |
2024 J200Piestany
| L | 1R | Willliam Mirarchi | 3-6 1-6 |
2024 J30Guessing
| L | 1R | Timo Rosenkranz Koenig | 3-6 3-6 |
2024 J30Oslo
| W | 1R | Felix Oscarsson | 6-3 6-4 |
| W | 2R | Oskar Gedde-Dahl Ekjord | 6-3 6-2 |
| L | QF | Johan Oscar Lien | 3-6 2-6 |
2024 J60Frederiksberg
| L | 1R | Oliver Steines | 4-6 0-6 |
2024 J30Murskasobota
| L | 1R | Niklas Maislinger | 4-6 3-6 |
2024 J30Maribor
| W | 1R | Rok Gregl | 6-1 6-1 |
| L | 2R | Dimitar Chilov | 6-7 6-4 4-6 |
2023 J30Istanbul-5
| W | 2R | Mustafa Ege Topbas | 6-1 6-7 6-0 |
| L | 3R | Emirhan Bulut | 4-6 4-6 |
2023 J30Istanbul-4
| W | 1R | Bekir Alp Candas | 6-0 6-1 |
| W | 2R | Eren Ozden | 6-2 6-0 |
| L | 3R | Kaan Isik Kosaner | 1-6 1-6 |
2023 J30Marialanzendorf
| W | 1R | Fabio Karner | 6-0 6-1 |
| W | 2R | Dario Navarro | 4-6 6-2 6-3 |
| L | 3R | Justin Lenders | 4-6 4-6 |
2023 J30Prostejov
| L | 1R | Barnabas Sift | 3-6 2-6 |
2023 J30Bielsko-Biala
| W | 1R | Mikolaj Kowal | 2-6 6-2 6-3 |
| L | 2R | Jakub Wlodarczyk | 6-4 1-6 2-6 |
2023 J30Humenne
| L | 1R | Cody Atkinson | 1-6 4-6 |
2023 J30Sandefjord
| W | 1R | Johan Oscar Lien | 6-4 6-2 |
| W | 2R | Linus Andersson | 6-4 6-2 |
| W | QF | Tristan Thomas Engelschmidt | 6-2 6-2 |
| L | SF | Ludwig Hermann | 2-6 3-6 |
2023 J30Stobrec
| W | 1R | Ethan Lovre Hirons | 6-4 3-6 7-5 |
| L | 2R | Ivan Biletic | 1-6 0-6 |
2023 J60Veska
| L | 1R | Jakub Volesky | 3-6 2-6 |
2023 J30Hradeckralove
| L | 1R | Sebastian Bielen | 3-6 1-6 |
2023 J30Istanbul-2
| W | 1R | Kerem Tufekci | 6-0 6-1 |
| L | 2R | Derin Can Atacan | 4-6 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5778, Number of registered players: 4,878, Number of registered results: 222,253