Lieven Mietusch
2025
| J100 BALMA | [1] | Quarter | 
| J500 OSAKA | [16] | 2R | 
| J200 MIKI | 2R | |
| J200 NANJING | [3] | Semi | 
| J200 ASTANA | [4] | Quarter | 
| J200 BELGRADE | 1R | |
| J100 KRAKOW | [1] | Final | 
| J100 NEUNKIRCHEN | [3] | 2R | 
| J200 CASTRICUM | 1R | |
| J100 THEHAGUE-2 | [2] | Quarter | 
| J300 BAMBERG | 2R | |
| J100 SOBOTA | [4] | Semi | 
| J200 HANOVER | 1R | |
| J200 STPOELTEN | Semi | |
| J200 ST.POELTEN | Semi | |
| J500 OFFENBACH | 1R | |
| J200 CAPDAIL | 2R | |
| J300 NONTHABURI | 1R | |
| J200 NONTHABURI | 1R | |
| J200 OBERHACHING | [7] | 1R | 
| J300 BARRANQUILLA | 1R | |
| J300 SANJOSE | 1R | 
2024
| J100 SAINTGREGOIRE | [2] | 2R | 
| J60 HEIVELD | [1] | Win | 
| J100 STAVANGER | [1] | Final | 
| J200 CAIRO-3 | [8] | 2R | 
| J200 CAIRO-2 | 2R | |
| J200 RAKOVNIK | [8] | 2R | 
| J200 RUTESHEIM | 2R | |
| J200 BASEL | 1R | |
| J100 NEUNKIRCHEN | [1] | Semi | 
| J100 VERBIER | [1] | Semi | 
| J100 BRUCHKOEBEL | [1] | Quarter | 
| J300 BAMBERG | 1R | |
| J100 LOUSADA-2 | [1] | Quarter | 
| J200 TARGUJIU | Final | |
| J500 OFFENBACH | 1R | |
| J200 PIESTANY | 1R | |
| J200 ISTRES | 1R | |
| J100 POTCHEFSTROOM-2 | [1] | Semi | 
| J100 POTCHEFSTROOM | [3] | Semi | 
| J200 SIAULIAI | 2R | |
| J200 TUNIS | 1R | |
| J100 ISTANBUL | [3] | Semi | 
| J60 ARLON | [1] | 2R | 
2023
| J30 LEIMEN | [1] | 2R | 
| J100 ESTADODEMEXICO-2 | [4] | Semi | 
| J100 ESTADODEMEXICO | [4] | Semi | 
| J100 KUALALUMPUR | [16] | 3R | 
| J100 SARAWAK | [15] | Final | 
| J100 MOENCHENGLADBACH | [14] | Semi | 
| J100 MAASEIK | [14] | 2R | 
| J60 FUERTH | Quarter | |
| J100 NEUNKIRCHEN | Quarter | |
| J100 BRUCHKOEBEL | 3R | |
| J200 HANNOVER | 1R | |
| J60 ICKERN | [16] | Quarter | 
| J100 HAMBURG | 2R | |
| J60 OFFENBACH | 1R | |
| J60 FRANKFURT | 1R | 
2022
| J5 FLEESENSEE | [4] | 2R | 
| J5 LEIMEN | [6] | 2R | 
| J5 BERLIN | [6] | 1R | 
| J4 VIERUMAKI | 1R | |
| J4 HANNOVER | 2R | |
| J4 RADOMLJE | 1R | |
| J4 FUERTH | 2R | |
| J5 SIAULIAI | Semi | |
| J3 NEUNKIRCHEN | 3R | |
| J5 NIKSIC | Quarter | |
| J1 BAMBERG | 1R | |
| J4 HAMBURG | 1R | |
| J4 ESCH-ALZETTE | 1R | |
| J4 OFFENBACH | 1R | |
| J4 FRANKFURT | 1R | 
Nation
GER
Generation
Born in 2007 (17-18 years old)
World Ranking
Junior World Ranking 149th
Year-end Junior World Ranking
- Year-end 2024 175th
- Year-end 2023 304th
- Year-end 2022 1044th
Rival
Flynn Thomas (2-2)
Eyad Reda Ezzat Mohamed Sherif (3-0)
Nikita Bilozertsev (0-2)
Kohshi Ishibashi (2-0)
Leo Matthysen (1-1)
Match Details
2025 J100 BALMA
| W | 1R | Valentin Latrubesse | 6-2 6-2 | 
| W | 2R | Nik Denotte | 7-6 6-0 | 
| L | QF | Pablo Pradat | 4-6 1-6 | 
2025 J500 OSAKA
| W | 1R | Kenta Arai | 6-4 6-1 | 
| L | 2R | Kunanan Pantaratorn | 1-6 5-7 | 
2025 J200 MIKI
| W | 1R | Koyu Yanagi | 7-5 6-7 6-2 | 
| L | 2R | Hyu Kawanishi | 4-6 2-6 | 
2025 J200 NANJING
| W | 1R | Liang Liang | 6-1 6-3 | 
| W | 2R | Yuqiao Song | 7-5 6-0 | 
| W | QF | Jun Hao Luo | 5-7 6-1 6-4 | 
| L | SF | Kuan-Shou Chen | 1-6 0-6 | 
2025 J200 ASTANA
| W | 2R | Utku Kerem Biberli | 6-4 6-1 | 
| W | 3R | Akhmadjon Toshmukhamedov | 6-3 6-2 | 
| L | QF | Dan Brand | 6-7 6-3 3-6 | 
2025 J200 BELGRADE
| L | 1R | Raffaele Ciurnelli | 3-6 7-6 1-6 | 
2025 J100 KRAKOW
| W | 2R | Daniel Bernovskyi | 6-4 6-2 | 
| W | 3R | Rasmus Hembo Mathiasen | 3-6 6-3 6-1 | 
| W | QF | Eric Lorimer | 6-3 6-0 | 
| W | SF | Dmytro Vterkovskiy | 6-0 6-4 | 
| L | F | Oliver Majdandzic | 4-6 6-4 4-6 | 
2025 J100 NEUNKIRCHEN
| L | 2R | Oliwier Sterniczuk | 6-7 2-6 | 
2025 J200 CASTRICUM
| L | 1R | Stan Put | 2-6 5-7 | 
2025 J100 THEHAGUE-2
| W | 1R | Laurens Drijver | 6-0 6-1 | 
| W | 2R | Jerrid Gaines Jr | 6-7 6-3 6-2 | 
| L | QF | Matei Victor Chelemen | 3-6 2-6 | 
2025 J300 BAMBERG
| W | 1R | Matyas Kozlovsky | 6-4 2-0 | 
| L | 2R | Ziga Sesko | 3-6 5-7 | 
2025 J100 SOBOTA
| W | 2R | Bastian Berenz | 6-0 6-2 | 
| W | 3R | Luka Ceramilac | 6-1 6-2 | 
| W | QF | Oswaldo Alejandro Reyes Tirado | 6-4 7-5 | 
| L | SF | Theodor-Matei Ene | 1-6 3-6 | 
2025 J200 HANOVER
| L | 1R | Haydar Cem Gokpinar | 1-6 6-7 | 
2025 J200 STPOELTEN
| W | 1R | Kohshi Ishibashi | 7-6 6-1 | 
| W | 2R | Eyad Reda Ezzat Mohamed Sherif | 6-4 6-3 | 
| W | QF | Flynn Thomas | 6-3 3-6 6-3 | 
| L | SF | Nikita Bilozertsev | 6-4 2-6 0-6 | 
2025 J200 ST.POELTEN
| W | 1R | Kohshi Ishibashi | 7-6 6-1 | 
| W | 2R | Eyad Reda Ezzat Mohamed Sherif | 6-4 6-3 | 
| W | QF | Flynn Thomas | 6-3 3-6 6-3 | 
| L | SF | Nikita Bilozertsev | 6-4 2-6 0-6 | 
2025 J500 OFFENBACH
| L | 1R | Flynn Thomas | 6-4 2-6 1-6 | 
2025 J200 CAPDAIL
| W | 1R | Roshan Santhosh | 6-4 0-6 6-4 | 
| L | 2R | Rihards Neimanis | 6-4 3-6 3-6 | 
2025 J300 NONTHABURI
| L | 1R | Artem Bogomolov | 1-6 7-6 1-5 | 
2025 J200 NONTHABURI
| L | 1R | Penn Charusorn | 6-3 2-6 6-7 | 
2025 J200 OBERHACHING
| L | 1R | Jan Sadzik | 3-6 4-6 | 
2025 J300 BARRANQUILLA
| L | 1R | Ryan Cozad | 0-6 2-6 | 
2025 J300 SANJOSE
| L | 1R | Gray Kelley | 6-1 0-6 4-6 | 
2024 J100 SAINTGREGOIRE
| W | 1R | Leon Sloboda | 6-4 6-1 | 
| L | 2R | Alessandro Hunziker | 7-5 2-6 | 
2024 J60 HEIVELD
| W | 1R | Jules Dannevoye | 6-3 6-0 | 
| W | 2R | Noah De Groot | 6-1 6-3 | 
| W | 3R | Fabian Garvik | 6-4 6-0 | 
| W | QF | Matiej Reiter | 6-3 6-1 | 
| W | SF | Ethan Dasset | 6-3 6-2 | 
| W | F | Jan Chlodnicki | 6-4 6-1 | 
2024 J100 STAVANGER
| W | 2R | Rasmus M Grindheim | 6-2 6-2 | 
| W | 3R | Fredric Borch-Nielsen | 7-5 6-1 | 
| W | QF | Victor Ryden | 6-2 6-1 | 
| W | SF | Linus Andersson | 6-3 7-5 | 
| L | F | Thijs Boogaard | 3-6 2-6 | 
2024 J200 CAIRO-3
| W | 1R | Yassin Elaroussy | 6-4 6-1 | 
| L | 2R | Evan Simon | 6-4 3-6 2-6 | 
2024 J200 CAIRO-2
| W | 1R | Eyad Reda Ezzat Mohamed Sherif | 5-7 6-2 6-3 | 
| L | 2R | Ali Missoum | 7-6 6-7 2-6 | 
2024 J200 RAKOVNIK
| L | 2R | Sebastian Eie | 6-7 6-1 6-7 | 
2024 J200 RUTESHEIM
| W | 1R | Maximilian Carrier | 6-2 6-1 | 
| L | 2R | Thilo Behrmann | 4-6 7-5 1-6 | 
2024 J200 BASEL
| L | 1R | Timofei Derepasko | 3-6 6-2 3-6 | 
2024 J100 NEUNKIRCHEN
| W | 2R | Arian Hasas | 6-4 6-2 | 
| W | 3R | Maximus Zavier Wong | 6-4 6-1 | 
| W | QF | Fredrik Krogh Solheim | 6-4 6-1 | 
| L | SF | Kasra Rahmani | 3-6 4-6 | 
2024 J100 VERBIER
| W | 1R | Frederik Tandeter | 6-0 6-2 | 
| W | 2R | Emile Dupanloup | 3-6 6-1 6-2 | 
| W | QF | Ilan Hediger | 7-6 6-2 | 
| L | SF | Justin Lenders | 5-7 6-2 2-6 | 
2024 J100 BRUCHKOEBEL
| W | 2R | Philip Weber | 6-2 6-4 | 
| W | 3R | Willliam Mirarchi | 6-4 6-4 | 
| L | QF | Damir Zhalgasbay | 4-6 3-6 | 
2024 J300 BAMBERG
| L | 1R | Dmitry Suboch | 4-6 1-6 | 
2024 J100 LOUSADA-2
| W | 2R | Goncalo Serras Pereira | 6-4 6-2 | 
| W | 3R | Tito Chavez | 7-5 7-6 | 
| L | QF | Jinpeng Tang | 6-7 6-2 3-6 | 
2024 J200 TARGUJIU
| W | 1R | Gabriel Ghetu | 6-1 7-5 | 
| W | 2R | Kostiantyn Mantach | 6-2 3-6 6-2 | 
| W | QF | Adam Jilly | 6-4 6-2 | 
| W | SF | Cezar Gabriel Papoe | 6-4 6-3 | 
| L | F | Alejandro Mateo Berge Nourescu | 6-7 4-6 | 
2024 J500 OFFENBACH
| L | 1R | William Rejchtman Vinciguerra | 6-7 2-6 | 
2024 J200 PIESTANY
| L | 1R | Dmitry Suboch | 2-6 5-7 | 
2024 J200 ISTRES
| L | 1R | Bryan Hernandez Cortes | 2-6 5-7 | 
2024 J100 POTCHEFSTROOM-2
| W | 1R | Moeketsi Mokete | 6-1 6-1 | 
| W | 2R | Artemii Lazarev | 6-2 6-1 | 
| W | QF | Alexey Shibaev | 5-7 7-5 7-5 | 
| L | SF | Leo Matthysen | 3-6 4-6 | 
2024 J100 POTCHEFSTROOM
| W | 1R | Dawid Scholtz | 6-1 6-2 | 
| W | 2R | Takura Mhwandagara | 6-1 6-2 | 
| W | QF | Leo Matthysen | 7-5 6-4 | 
| L | SF | Connor Doig | 5-7 6-2 5-7 | 
2024 J200 SIAULIAI
| W | 1R | Sten Hiiesalu | 7-5 6-3 | 
| L | 2R | Ludvig Hede | 1-6 2-6 | 
2024 J200 TUNIS
| L | 1R | Alaa Trifi | 0-6 1-6 | 
2024 J100 ISTANBUL
| W | 1R | Cinar Ozkahraman | 7-5 6-4 | 
| W | 2R | Cagan Efe Tufekci | 6-3 6-2 | 
| W | 3R | Cemil Tugra Duran | 6-4 6-2 | 
| W | QF | Daniil Bogatov | 7-6 5-7 7-5 | 
| L | SF | Ivan Iutkin | 2-6 2-6 | 
2024 J60 ARLON
| W | 1R | Nand Vandepoele | 6-0 6-4 | 
| L | 2R | Alexandre Vassard | 7-6 6-7 6-7 | 
2023 J30 LEIMEN
| W | 1R | Kent Mueller | 6-4 4-6 6-4 | 
| L | 2R | Arian Hasas | - - - | 
2023 J100 ESTADODEMEXICO-2
| W | 2R | Malik Trail | 6-1 6-3 | 
| W | 3R | Lucca C Pignaton | 7-6 6-3 | 
| W | QF | Roben Gavani | 6-7 7-6 6-1 | 
| L | SF | Jack Kennedy | 5-7 3-6 | 
2023 J100 ESTADODEMEXICO
| W | 2R | Lucas Martin Velasco | 6-0 6-0 | 
| W | 3R | Zavier Augustin | 6-4 6-0 | 
| W | QF | Keaton Hance | 6-1 6-1 | 
| L | SF | Jack Kennedy | 4-6 4-6 | 
2023 J100 KUALALUMPUR
| W | 2R | Minh Tuan Dinh Viet | 6-0 6-4 | 
| L | 3R | Rethin Pranav Senthil Kumar | 3-6 5-7 | 
2023 J100 SARAWAK
| W | 2R | Boyd Schreiber | 6-1 6-0 | 
| W | 3R | Ke Hau Hung | 6-4 6-1 | 
| W | QF | Ye Chen | 6-2 6-3 | 
| W | SF | Makar Krivoshchekov | 6-1 7-5 | 
| L | F | Bill Chan | 6-0 5-7 4-6 | 
2023 J100 MOENCHENGLADBACH
| W | 2R | Fabio Felsner | 6-0 6-2 | 
| W | 3R | Sydney Zick | 7-5 3-1 | 
| W | QF | Hidde Schoenmakers | 4-6 7-6 6-1 | 
| L | SF | Piet Luis Pinter | 6-2 5-7 0-6 | 
2023 J100 MAASEIK
| L | 2R | Ilan Hediger | 3-6 6-4 4-6 | 
2023 J60 FUERTH
| W | 1R | Hanu Patel | 7-5 7-6 | 
| W | 2R | Samuel Braun | 6-2 6-2 | 
| L | QF | Aaron Funk | 4-6 6-7 | 
2023 J100 NEUNKIRCHEN
| W | 1R | Salvador Monteiro | 6-1 7-6 | 
| W | 2R | Filip Gustafsson | 6-7 6-1 4-1 | 
| W | 3R | Artur Aiukhanov | 6-3 7-5 | 
| L | QF | Diego Dedura | 0-6 1-6 | 
2023 J100 BRUCHKOEBEL
| W | 1R | Joao Dinis Silva | 3-6 6-3 6-4 | 
| W | 2R | Bernardo Munk Mesa | 6-0 6-4 | 
| L | 3R | Daniil Sarksian | 6-3 3-6 5-7 | 
2023 J200 HANNOVER
| L | 1R | Theo Papamalamis | 3-6 3-6 | 
2023 J60 ICKERN
| W | 2R | Anton Oliukha | 3-0 | 
| W | 3R | Amir Omarkhanov | 7-6 6-4 | 
| L | QF | Sydney Zick | 6-4 4-6 4-6 | 
2023 J100 HAMBURG
| W | 1R | Jules Caby | 6-3 6-4 | 
| L | 2R | Lukas Velik | 6-2 3-6 2-6 | 
2023 J60 OFFENBACH
| L | 1R | Yahan Zhang | 2-6 4-6 | 
2023 J60 FRANKFURT
| L | 1R | Oliver Petr Burda | 4-6 5-7 | 
2022 J5 FLEESENSEE
| W | 1R | Leonard Von Bismarck | 7-6 6-3 | 
| L | 2R | Bengt Johan Reinhard | 3-6 4-6 | 
2022 J5 LEIMEN
| W | 1R | Mak Mikovic | 6-4 6-2 | 
| L | 2R | Flynn Thomas | 1-6 2-6 | 
2022 J5 BERLIN
| L | 1R | Jamie Mackenzie | 6-4 3-6 2-6 | 
2022 J4 VIERUMAKI
| L | 1R | Otso Martikainen | 3-6 5-7 | 
2022 J4 HANNOVER
| W | 1R | Jonas Hahn | 6-3 6-3 | 
| L | 2R | Mateusz Lange | 2-6 1-3 | 
2022 J4 RADOMLJE
| L | 1R | Matteo Ceradelli | 3-6 1-6 | 
2022 J4 FUERTH
| W | 1R | Paulo Pocasangre | 6-7 6-3 6-3 | 
| L | 2R | Carlo Alberto Caniato | 3-6 3-6 | 
2022 J5 SIAULIAI
| W | 1R | Augustas Geciauskas | 6-2 7-5 | 
| W | 2R | Denis Maijorov | 3-6 7-5 6-1 | 
| W | QF | Tauras Mickus | 6-3 3-0 | 
| L | SF | Aleksei Mokrov | 2-6 6-4 4-6 | 
2022 J3 NEUNKIRCHEN
| W | 1R | Felix Neumeister | 2-6 6-4 7-5 | 
| W | 2R | Oskar Jansson | 7-6 4-6 6-3 | 
| L | 3R | Erik Tkalenko | 3-6 6-2 4-6 | 
2022 J5 NIKSIC
| W | 1R | Veljko Cvetkovic | 6-3 6-0 | 
| W | 2R | Vanja Petrov | 6-2 7-6 | 
| L | QF | Simon Knezevic | 4-6 3-6 | 
2022 J1 BAMBERG
| L | 1R | Jakub Filip | 4-6 4-6 | 
2022 J4 HAMBURG
| L | 1R | Kacper Krolikowski | 4-6 5-7 | 
2022 J4 ESCH-ALZETTE
| L | 1R | Mees Rottgering | 4-6 1-6 | 
2022 J4 OFFENBACH
| L | 1R | Gustavs Dambins | 2-6 5-7 | 
2022 J4 FRANKFURT
| L | 1R | Nikolai Barsukov | 2-6 1-6 | 
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