Jan Sadzik
2025
| J200 RAKOVNIK | [13] | 2R |
| J100 KRAKOW | [5] | Semi |
| J100 VIENNA | [2] | 3R |
| J300 BYTOM | 2R | |
| J100 BRUCHKOEBEL | [6] | Quarter |
| J100 THEHAGUE-2 | [5] | 1R |
| J100 LOUSADA | [1] | Quarter |
| J100 RABAT | [3] | Quarter |
| J200 PIESTANY | [15] | Quarter |
| J300 PLOVDIV | 1R | |
| J300 VRSAR | 1R | |
| J100 THEHAGUE | [3] | Quarter |
| J200 SIAULIAI | Quarter | |
| J200 OBERHACHING | 2R | |
| J60 OFFENBACH | [1] | Quarter |
2024
| J100 DUBROVNIK | [3] | Quarter |
| J60 PESCARA | [1] | Win |
| J100 BARCELONA-2 | [4] | 1R |
| J100 BARCELONA | [7] | 1R |
| J100 KRAKOW | [5] | Semi |
| J60 HOLTE | [3] | Win |
| J100 SOBOTA | 2R | |
| J100 LOUSADA-2 | [14] | 2R |
| J60 BLAGNAC | [7] | Win |
| J100 LOUGHBOROUGH-2 | 1R | |
| J100 TRNAVA | Quarter | |
| J60 PUSZCZYKOWO | Final | |
| J60 FRANKFURT | 1R |
2023
| J60 GLASGOW | 2R | |
| J60 MARIBOR | Quarter | |
| J60 PSZCZYNA | 2R | |
| J60 HANNOVER | Quarter | |
| J100 KRAKOW | 1R | |
| J30 PRESOV | 2R | |
| J30 SUNDSVALL | 1R | |
| J30 TRNAVA | 1R |
2022
Nation
POL
Generation
Born in 2008 (16-17 years old)
Year-end Junior World Ranking
- Year-end 2024 320th
- Year-end 2023 1266th
- Year-end 2022 2991th
Rival
Goncalo Da Rosa Castro (0-3)
Romain Andres (0-2)
Zangar Nurlanuly (2-0)
Matic Hribar (2-0)
Felix Triquart (2-0)
Match Details
2025 J200 RAKOVNIK
| L | 2R | Patrick-Valentin Moise | 6-2 1-6 2-6 |
2025 J100 KRAKOW
| W | 2R | William Thulin | 6-3 6-4 |
| W | 3R | Bercel Sandor Takacs | 6-4 6-4 |
| W | QF | Tim Vaisman | 6-1 6-4 |
| L | SF | Oliver Majdandzic | 6-7 3-6 |
2025 J100 VIENNA
| W | 2R | Daniel Bernovskyi | 6-3 6-0 |
| L | 3R | Timo Rosenkranz Koenig | 2-6 4-6 |
2025 J300 BYTOM
| W | 1R | Arturs Zagars | 3-6 7-5 6-1 |
| L | 2R | Damir Zhalgasbay | 3-6 3-6 |
2025 J100 BRUCHKOEBEL
| W | 2R | Mateja Stanisavljevic | 6-2 7-5 |
| W | 3R | Nathan Walters | 6-4 6-3 |
| L | QF | Andrew Johnson | 4-6 4-6 |
2025 J100 THEHAGUE-2
| L | 1R | Koki Nara | 4-6 3-6 |
2025 J100 LOUSADA
| W | 2R | Rodrigo Leal | 7-6 7-5 |
| W | 3R | Mateo Fluri | 6-2 6-2 |
| L | QF | Goncalo Da Rosa Castro | 2-6 5-7 |
2025 J100 RABAT
| W | 1R | Victor Barreira Bonzom | 7-6 6-2 |
| W | 2R | Anton Kartsev | 6-3 6-2 |
| L | QF | Goncalo Da Rosa Castro | 4-6 4-6 |
2025 J200 PIESTANY
| W | 1R | Matic Hribar | 7-5 6-4 |
| W | 2R | Jan Psota | 6-4 6-3 |
| W | 3R | Zangar Nurlanuly | 6-4 6-2 |
| L | QF | Botond Nagy | 3-6 1-6 |
2025 J300 PLOVDIV
| L | 1R | Maxwell Exsted | 4-6 2-6 |
2025 J300 VRSAR
| L | 1R | Sebastian Eie | 2-6 2-6 |
2025 J100 THEHAGUE
| W | 2R | Hitoshi Shirabe | 6-2 6-2 |
| W | 3R | Maximilian Markov | 6-2 6-7 6-1 |
| L | QF | Romain Andres | 6-4 4-6 4-6 |
2025 J200 SIAULIAI
| W | 1R | Nikita Smirnov | 6-1 6-2 |
| W | 2R | Zangar Nurlanuly | 6-4 2-6 6-4 |
| L | QF | Romain Andres | 4-6 4-6 |
2025 J200 OBERHACHING
| W | 1R | Lieven Mietusch | 6-3 6-4 |
| L | 2R | Justin Lenders | 6-7 4-6 |
2025 J60 OFFENBACH
| W | 1R | Sebastian Truszczynski | 6-2 6-2 |
| W | 2R | Moritz Glauser | 6-0 6-2 |
| L | QF | Kaspar Mathes | 6-7 5-7 |
2024 J100 DUBROVNIK
| W | 1R | Ferdinand Livet Novkirichka | 6-3 7-5 |
| W | 2R | Matic Hribar | 6-1 2-6 6-1 |
| L | QF | Ivan Biletic | 6-3 1-6 3-6 |
2024 J60 PESCARA
| W | 1R | Marco Meacci | 1-6 7-6 6-4 |
| W | 2R | Noah Canonico | 6-3 6-2 |
| W | QF | Raffaele Ciurnelli | 2-6 7-5 6-4 |
| W | SF | Lorenzo Elia | 6-2 6-0 |
| W | F | Felix Triquart | 6-7 7-6 6-2 |
2024 J100 BARCELONA-2
| L | 1R | Tito Chavez | 4-6 5-7 |
2024 J100 BARCELONA
| L | 1R | Xavi Palomar | 7-5 6-7 3-6 |
2024 J100 KRAKOW
| W | 1R | Alvar Lange | 6-2 6-3 |
| W | 2R | Jan Froehlich | 6-4 6-2 |
| W | QF | Kaan Isik Kosaner | 6-2 6-4 |
| L | SF | Kolos Kincses | 1-6 0-6 |
2024 J60 HOLTE
| W | 2R | Fabian Garvik | 6-1 6-1 |
| W | 3R | Mats Egbring | 4-6 6-2 6-4 |
| W | QF | Rasmus Hembo Mathiasen | 6-4 2-6 7-5 |
| W | SF | Dan Hughes | 6-3 5-7 6-3 |
| W | F | Artem Lyapshin | 6-3 4-6 6-3 |
2024 J100 SOBOTA
| W | 1R | Heorhii Shylov | 6-2 1-6 6-3 |
| L | 2R | Jinpeng Tang | 6-4 3-6 2-6 |
2024 J100 LOUSADA-2
| L | 2R | Goncalo Da Rosa Castro | 7-6 3-6 1-6 |
2024 J60 BLAGNAC
| W | 1R | Diego Aubert | 6-3 6-3 |
| W | 2R | Itamar Verthaimer | 6-1 6-2 |
| W | QF | Ferdinand Livet Novkirichka | 6-4 6-1 |
| W | SF | Evan Jarzaguet | 6-1 6-4 |
| W | F | James Osullivan | 3-6 7-6 6-2 |
2024 J100 LOUGHBOROUGH-2
| L | 1R | Mark Ceban | 3-6 2-6 |
2024 J100 TRNAVA
| W | 1R | Daniel Balascak | 6-2 6-3 |
| W | 2R | Matyas Kozlovsky | 6-3 6-0 |
| L | QF | Maximilian Carrier | 6-4 1-6 4-6 |
2024 J60 PUSZCZYKOWO
| W | 1R | Pijus Reklevicius | 6-3 6-4 |
| W | 2R | Barnabas Sift | 7-5 5-7 7-5 |
| W | QF | Felix Triquart | 1-6 6-2 6-4 |
| W | SF | Leon Zaorski | 6-2 3-1 |
| L | F | Timeo Gaillard | 4-6 6-7 |
2024 J60 FRANKFURT
| L | 1R | Vincent Reisach | 0-6 6-4 3-6 |
2023 J60 GLASGOW
| W | 1R | Jay Johnson-Hauldren | 6-3 6-2 |
| L | 2R | Ilan Hediger | 4-6 2-6 |
2023 J60 MARIBOR
| W | 1R | Dimitar Kisimov | 6-2 7-5 |
| W | 2R | Gasper Matijasic | 6-3 6-3 |
| L | QF | Luka Videnovic | 5-7 3-6 |
2023 J60 PSZCZYNA
| W | 1R | Oswaldo Alejandro Reyes Tirado | 6-2 6-3 |
| L | 2R | Guglielmo Verdese | 4-6 4-6 |
2023 J60 HANNOVER
| W | 1R | Marco Ontiveros | 6-4 6-3 |
| W | 2R | Leon Peranovic | 6-0 6-3 |
| L | QF | Jamie Mackenzie | 1-6 0-6 |
2023 J100 KRAKOW
| L | 1R | Maximilian Carrier | 3-6 4-6 |
2023 J30 PRESOV
| W | 1R | Matyas Kozlovsky | 6-3 2-6 7-6 |
| L | 2R | Xavier Jakubovic | 0-6 4-6 |
2023 J30 SUNDSVALL
| L | 1R | William Kjellberg | 6-3 4-6 0-6 |
2023 J30 TRNAVA
| L | 1R | Daniel Balascak | 2-6 6-3 2-6 |
2022 J4 PSZCZYNA
| L | 1R | Marek Pazdera | 3-6 3-6 |
2022 J3 KRAKOW
| L | 1R | Tomasz Berkieta | 2-6 1-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9622, Number of registered players: 6,052, Number of registered results: 332,072