Jonas Kucera
2024
| J200 ALMATY | 2R | |
| J200 PIESTANY | 2R | |
| J100 LOUGHBOROUGH-2 | [5] | 2R |
| J100 LOUGHBOROUGH | [1] | Quarter |
| J100 TRNAVA | [1] | 1R |
| J200 KOLKATA | 1R | |
| J200 NEWDELHI | 1R |
2023
| J100 LOUGHBOROUGH | [3] | Semi |
| J100 LESZNO | [7] | 2R |
| J100 PRAGUE-2 | [5] | 1R |
| J60 KIGALI | [1] | Win |
| J100 MAASEIK | [2] | Final |
| J60 HILLEGOM | [1] | 2R |
| J100 VERBIER | [6] | Quarter |
| J60 GDANSK | [2] | Semi |
| J100 TALLINN | [7] | Quarter |
| J200 PIESTANY | 2R | |
| J60 GJOVIK | [1] | Final |
| J60 OSLO | [3] | Final |
| J60 FUJAIRAH | [2] | Quarter |
2022
| J4 BAKU-2 | [3] | Quarter |
| J4 PSZCZYNA | [6] | Semi |
| J2 RAKOVNIK | 2R | |
| J5 LIBEREC | [3] | Semi |
| J4 SKOPJE-2 | [7] | Final |
| J5 SANMARINO | 1R | |
| J5 GARISART | [8] | Win |
| J4 LIMELETTE | 2R | |
| J5 TRNAVA | [8] | Quarter |
| J5 PRAGUE | 1R |
2021
Nation
CZE
World Ranking
ATP Ranking　1279th
Year-end Junior World Ranking
- Year-end 2024 718th
- Year-end 2023 300th
- Year-end 2022 469th
- Year-end 2021 1464th
Match Details
2024 J200 ALMATY
| W | 1R | Artem Sidorov | 6-3 7-6 |
| L | 2R | Kerem Yilmaz | 0-6 2-6 |
2024 J200 PIESTANY
| W | 1R | Matej Markovic | 6-3 6-0 |
| L | 2R | Alessandro Battiston | 6-7 4-6 |
2024 J100 LOUGHBOROUGH-2
| W | 1R | Dylan Davies | 6-3 6-4 |
| L | 2R | Octave Caillat | 2-6 4-6 |
2024 J100 LOUGHBOROUGH
| W | 1R | Alexander Winder | 6-3 6-2 |
| W | 2R | Victor Kimpel | 6-0 6-3 |
| L | QF | Mark Ceban | 6-4 6-7 1-6 |
2024 J100 TRNAVA
| L | 1R | Sergej Zivkovic | 2-6 0-6 |
2024 J200 KOLKATA
| L | 1R | Rethin Pranav Senthil Kumar | 6-2 3-6 5-7 |
2024 J200 NEWDELHI
| L | 1R | Nikita Bilozertsev | 4-6 3-6 |
2023 J100 LOUGHBOROUGH
| W | 1R | Ferdinand Livet Novkirichka | 6-4 7-5 |
| W | 2R | Finbar Mcgarvey | 4-6 6-3 6-3 |
| W | QF | Maximilian Carrier | 6-4 6-3 |
| L | SF | Bill Chan | 4-6 3-6 |
2023 J100 LESZNO
| W | 1R | Filip Kosinski | 6-4 6-2 |
| L | 2R | Fredrik Krogh Solheim | - - - |
2023 J100 PRAGUE-2
| L | 1R | Makar Krivoshchekov | 1-6 3-6 |
2023 J60 KIGALI
| W | 1R | Junior Hakizumwami | 6-1 6-0 |
| W | 2R | Shabad Singh | 6-1 6-1 |
| W | QF | Ruinclife Baraka Ominde | 6-0 6-2 |
| W | SF | Arnav Yadav | 6-0 6-2 |
| W | F | Alexey Shibaev | 6-3 4-6 6-4 |
2023 J100 MAASEIK
| W | 2R | Kacper Krolikowski | 6-2 6-4 |
| W | 3R | Oscar Rashed | 6-2 4-6 6-1 |
| W | QF | Luke Hooper | 7-5 6-1 |
| W | SF | Bill Chan | 6-0 6-3 |
| L | F | Tobia Costanzo Baragiola Mordini | 5-7 1-6 |
2023 J60 HILLEGOM
| L | 2R | Thomas Van Den Dooren | 6-2 4-6 2-6 |
2023 J100 VERBIER
| W | 1R | Luc Wieland | 7-5 6-2 |
| W | 2R | Lorenzo Beraldo | 7-5 6-3 |
| L | QF | Matthias Uwe Kask | 6-7 2-6 |
2023 J60 GDANSK
| W | 1R | Jakub Krawczyk | 6-4 4-0 |
| W | 2R | Tom Sickenberger | 7-5 6-3 |
| W | QF | Leon Zaorski | 6-0 6-3 |
| L | SF | Izan Almazan Valiente | 4-6 2-6 |
2023 J100 TALLINN
| W | 1R | Ricards Spaks | 6-0 6-2 |
| W | 2R | Filip Soderqvist | 6-1 6-2 |
| L | QF | Alaa Trifi | 4-6 1-6 |
2023 J200 PIESTANY
| W | 1R | Patrick Jozwicki | 6-4 4-6 7-6 |
| L | 2R | Iannis Miletich | 3-6 6-2 1-6 |
2023 J60 GJOVIK
| W | 1R | Daniel Margoulis | 3-6 6-3 7-6 |
| W | 2R | Mats Pottbecker | 6-0 7-5 |
| W | QF | Svit Suljic | 6-2 4-6 6-3 |
| W | SF | Sturle Hoff Skigelstrand | 6-2 6-0 |
| L | F | Nico Hipfl | 5-7 2-6 |
2023 J60 OSLO
| W | 1R | Artjoms Afanasjevs | 6-0 6-1 |
| W | 2R | Andriy Poritskyy | 6-2 6-1 |
| W | QF | David Cristian Carteputreda | 6-2 6-0 |
| W | SF | Filip Stidell | 6-4 6-3 |
| L | F | Ludvig Hede | 1-6 6-1 1-6 |
2023 J60 FUJAIRAH
| W | 1R | Anthony Moukarzel | 6-3 6-3 |
| W | 2R | Vatsal Manikantan | 7-5 6-0 |
| L | QF | Bryan Hernandez Cortes | 7-6 5-7 6-7 |
2022 J4 BAKU-2
| W | 1R | Ivan Vorfolomeev | 6-1 6-3 |
| W | 2R | Artsiom Tsykunenka | 6-2 6-3 |
| L | QF | Tamerlan Azizov | 4-6 0-6 |
2022 J4 PSZCZYNA
| W | 1R | Aleksander Blus | 6-2 6-3 |
| W | 2R | Julius Augunas | 6-2 6-3 |
| W | QF | Nikola Djosic | 5-7 4-2 |
| L | SF | Marek Pazdera | 4-6 3-6 |
2022 J2 RAKOVNIK
| W | 1R | Vitalii Hnidets | 2-6 6-1 6-2 |
| L | 2R | Sergio Callejon Hernando | 3-6 0-6 |
2022 J5 LIBEREC
| W | 1R | Matyas Kozlovsky | 7-6 6-0 |
| W | 2R | Leo Gutjahr | 7-5 6-0 |
| W | QF | Jan Kusy | 6-4 6-1 |
| L | SF | Jakub Vrba | 0-6 0-6 |
2022 J4 SKOPJE-2
| W | 2R | Gabriel Ghetu | 6-4 6-2 |
| W | 3R | Adrian Constantin | 6-1 6-3 |
| W | QF | Matteo Covato | 4-6 6-2 6-2 |
| W | SF | Simon Knezevic | 6-4 6-4 |
| L | F | Pavel Marinov | 6-3 4-6 4-6 |
2022 J5 SANMARINO
| L | 1R | Lorenzo Comino | 4-6 3-6 |
2022 J5 GARISART
| W | 1R | Tibo Meermans | 6-1 6-2 |
| W | 2R | Aurelien Schmitt | 6-2 6-0 |
| W | QF | Niels Van Der Sijs | 6-0 6-1 |
| W | SF | David Eichenseher | 6-3 6-3 |
| W | F | Mihailo Milenkovic | 6-2 6-3 |
2022 J4 LIMELETTE
| W | 1R | Louis Maurau | 6-2 6-2 |
| L | 2R | Luis Miguel Saraiva | 2-6 1-6 |
2022 J5 TRNAVA
| W | 1R | Richard Bottlik | 6-1 6-0 |
| W | 2R | Zalan Sandor Savay | 6-1 6-3 |
| L | QF | Jakub Wlodarczyk | 6-7 1-6 |
2022 J5 PRAGUE
| L | 1R | Tomas Zlatohlavek | 3-6 4-6 |
2021 J5 PREROV
| L | 1R | Jakub Filip | 4-6 2-6 |
2021 J5 PROSTEJOV
| L | 1R | Patrik Oplustil | 2-6 0-6 |
2021 J5 LIBEREC
| L | 1R | Filip Horak | 1-6 5-7 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9670, Number of registered players: 6,052, Number of registered results: 333,569