William Kjellberg

2025

J100 PALERMO	[2]	1R
J60 KAARINA	[1]	Win
J60 VESKA	[5]	Quarter
J60 BLUDENZ	[6]	Win
J60 TALLINN	[6]	Win
J60 HOLTE	[3]	2R
J60 GDANSK	[5]	Quarter
J60 JONKOPING	[4]	Quarter
J30 BELLINZONA	[2]	Win
J60 ADAZI	[8]	1R
J60 GREMDA		1R
J100 BROMMA		Quarter

2024

J30 VILNIUS	[3]	Quarter
J30 HANKO-2	[2]	2R
J30 VADUZ	[1]	Semi
J30 HANKO	[3]	Final
J30 HASSELT-2	[6]	2R
J30 SIAULIAI		1R
J30 SARAJEVO	[5]	2R
J30 EDINBURGH	[5]	2R
J60 BASTAD	[16]	2R
J60 JONKOPING		1R
J30 SUNDSVALL	[7]	Final
J60 GJOVIK		2R
J60 VIERUMAKI		2R
J30 MURSKASOBOTA		2R

2023

J30 STAVANGER		3R
J30 AIZKRAUKLE		2R
J30 BASTAD		1R
J30 SUNDSVALL		2R

Nation

SWE

Generation

Born in 2009 (15-16 years old)

World Ranking

Junior World Ranking　355th

Year-end Junior World Ranking

Year-end 2024 992th
Year-end 2023 3035th

Rival

Lorenzo Elia (2-0)

[2025] J30BELLINZONA 6-3 6-2
[2025] J60BLUDENZ 6-3 7-5

Lucas Christmas Moeller (2-0)

[2025] J60JONKOPING 6-1 6-2
[2025] J60TALLINN 6-3 6-4

Julian Theler (1-1)

[2025] J30BELLINZONA 6-1 6-2
[2024] J30VADUZ 3-6 4-6

Aleksandrs Sotikovs (1-1)

[2025] J60TALLINN 6-3 6-3
[2024] J30SIAULIAI 1-6 3-6

Match Details

2025 J60 KAARINA

W	1R	Oliver Kiljunen	6-1 6-3
W	2R	Felix Triquart	6-0 6-3
W	QF	Alex Tuomolin	6-0 6-1
W	SF	William Kaltenecker	6-2 6-0
W	F	Zac Naughton	6-3 6-1

2025 J60 VESKA

W	2R	Josef Svoboda	6-3 6-1
W	3R	Daniel Bernovskyi	1-6 6-4 6-3
L	QF	Tymon Litwic	6-7 4-6

2025 J60 BLUDENZ

W	1R	Lorenzo Elia	6-3 7-5
W	2R	Valentin Klaunzner	6-1 2-6 6-1
W	QF	Benjamin Freyholdt	6-1 6-2
W	SF	Niklas Maislinger	7-5 6-1
W	F	Dominik Dujka	7-6 6-2

2025 J60 TALLINN

W	1R	Hitoshi Shirabe	6-3 6-1
W	2R	Lucas Christmas Moeller	6-3 6-4
W	QF	Edwin Averjanov	6-2 6-2
W	SF	Mathias Skrlik	6-1 6-0
W	F	Aleksandrs Sotikovs	6-3 6-3

2025 J60 GDANSK

W	1R	Jan Skrzynski	7-6 6-3
W	2R	Martin Fuks	6-2 6-2
L	QF	Alex Huszar	3-6 1-6

2025 J60 JONKOPING

W	1R	Joel Henriksson	7-6 4-6 6-3
W	2R	Lucas Christmas Moeller	6-1 6-2
L	QF	Jules Rimbaud	6-3 4-6 3-6

2025 J30 BELLINZONA

W	1R	Noel Kim Bachmann	6-0 6-2
W	2R	Lorenzo Rocco	6-2 6-3
W	QF	Julian Theler	6-1 6-2
W	SF	Lorenzo Elia	6-3 6-2
W	F	Neil Saxer	6-3 6-7 7-6

2025 J100 BROMMA

W	1R	Arturs Zagars	6-2 7-5
W	2R	Felix Alopaeus	6-4 6-4
L	QF	Victor Ryden	0-6 4-6

2024 J30 VILNIUS

W	1R	Lorenzo Sverzut Corsini	6-2 6-1
W	2R	Daniel Joita	6-2 6-2
L	QF	Samuel Mandelkorn	4-6 2-6

2024 J30 HANKO-2

W	1R	Darsh Sachin Patel	6-0 6-0
L	2R	Nikita Smirnov	6-7 3-6

2024 J30 VADUZ

W	1R	Tiago Peterhans	1-6 6-2 6-2
W	2R	Niccolo Crivelli	6-4 6-2
W	QF	Stepan Ziska	7-6 7-5
L	SF	Julian Theler	3-6 4-6

2024 J30 HANKO

W	1R	Emil Torn	6-3 6-1
W	2R	Aarne Koskinen	6-3 6-3
W	QF	Nicolo Romano	6-0 6-1
W	SF	Krystof Vymazal	7-5 6-4
L	F	Leo Stenlund	1-6 6-7

2024 J30 SARAJEVO

W	1R	Afan Nekovic	6-4 6-3
L	2R	Todor Vukomanovic	0-6 4-6

2024 J30 EDINBURGH

W	1R	Thomas Dixon	6-2 6-1
L	2R	Brandon Ratanavong	7-6 6-7 2-6

2024 J30 SUNDSVALL

W	1R	Alessandro Fiocchi	6-1 6-4
W	2R	Mick Ilnicki	6-7 6-1 6-2
W	QF	Tristan Thomas Engelschmidt	6-0 6-0
W	SF	Lukas Andersson	7-5 6-4
L	F	Tim Malmqvist	6-3 2-6 0-6

2024 J60 GJOVIK

W	1R	Francis Alexander Lendvay Thoresen	6-2 6-0
L	2R	Emanuel Ivanisevic	4-6 4-6

2024 J60 VIERUMAKI

W	1R	Rasmus Stalmeister	6-1 6-0
L	2R	Niels Mcdonald	6-7 4-6

2024 J30 MURSKASOBOTA

W	1R	Benjamin Scharner	7-6 6-0
L	2R	Daniel Klocurek	4-6 6-4 1-6

2023 J30 STAVANGER

W	1R	Rasmus M Grindheim	6-3 6-1
W	2R	Hartmut Fiedler	6-1 6-0
L	3R	Sebastian Eie	4-6 2-6

2023 J30 AIZKRAUKLE

W	1R	Mykyta Kolesnyk	6-3 6-4
L	2R	Denis Maijorov	2-6 1-6

2023 J30 SUNDSVALL

W	1R	Jan Sadzik	3-6 6-4 6-0
L	2R	Patrik Munkhammar	2-6 4-6

Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9810, Number of registered players: 6,116, Number of registered results: 339,214