Sebastian Bielen

2025

J300 REPENTIGNY		2R
J100 IZMIR		2R
J200 PIESTANY		1R
J100 HANKO	[8]	1R
J200 SANTODOMINGO-2		1R
J200 SANTODOMINGO		2R
J300 LIMA		1R
J100 DUBAI-2		1R
J100 DUBAI		1R
J100 FUJAIRAH	[8]	Semi

2024

J60 ANAPOIMA	[2]	Win
J100 ZAPOPAN		2R
J60 GUADALAJARA	[10]	Quarter
J100 PRAGUE-2		2R
J100 KRAKOW		1R
J100 POZNAN		2R
J300 BYTOM		1R
J60 VESKA		2R
J100 PRAGUE		Semi
J60 ILEDESSOEURS		Quarter
J100 QUEBECCITY		2R
J60 COLOMIERS	[8]	1R
J30 LEPONTET	[3]	Semi
J60 AVIGNON	[8]	2R
J30 MEDFORD	[5]	Final

2023

J30 HILVERSUM	[7]	2R
J30 HRADECKRALOVE	[6]	Win
J30 LIBEREC		Semi
J300 SANDIEGO		2R
J60 LASVEGAS		2R
J30 EAUCLAIRE		1R
J30 MEDFORD		Quarter

2022

J4 DAYTONABEACH

Quarter

Nation

USA

Generation

Born in 2008 (16-17 years old)

World Ranking

Junior World Ranking　405th

Year-end Junior World Ranking

Rival

Matia Curuia (1-1)

[2025] J100FUJAIRAH 3-6 6-2 6-1
[2024] J60AVIGNON 3-6 6-3 2-6

Kacper Knitter (0-2)

[2025] J100DUBAI 2-6 6-4 3-6
[2024] J100KRAKOW 4-6 1-6

Heorhii Shylov (0-2)

[2025] J200PIESTANY 1-6 3-6
[2023] J30LIBEREC 1-6 3-6

Adam Soukup (0-2)

[2024] J100PRAGUE-2 2-6 2-6 - - -
[2024] J60VESKA 1-6

Miko Lapalme (1-1)

[2025] J200SANTODOMINGO-2 2-6 4-6
[2023] J30MEDFORD 7-6 6-3

Match Details

2025 J300 REPENTIGNY

W	1R	Quincy Yao	6-3 1-6 6-0
L	2R	Thilo Behrmann	6-7 4-6

2025 J100 IZMIR

W	1R	Ilhan Basar Senel	6-0 5-0
L	2R	Richard Lacis	3-6 2-6

2025 J200 SANTODOMINGO

W	1R	Lenny Couturier	6-7 6-3 7-6
L	2R	Maximus Dussault	0-6 3-6

2025 J100 FUJAIRAH

W	1R	Matia Curuia	3-6 6-2 6-1
W	2R	Shixun Zhu	6-2 7-6
W	QF	Timeo Trufelli	4-6 7-5 6-3
L	SF	Mustafa Ege Sik	6-4 3-6 4-6

2024 J60 ANAPOIMA

W	1R	Alejandro Torres Gonzalez	6-1 6-3
W	2R	Felipe Buritica	6-1 6-0
W	QF	Lucas Yunez	6-2 7-5
W	SF	Tomas Re	6-2 6-3
W	F	Juan Jose Neira Rodriguez	6-4 6-3

2024 J100 ZAPOPAN

W	1R	Samuel Borrego	6-0 6-0
L	2R	Egor Pleshivtsev	6-3 0-6 2-6

2024 J60 GUADALAJARA

W	2R	Nicolas Dagda Mireles	6-3 6-3
W	3R	Oliver Moises Aguilar Gasperin	7-6 6-2
L	QF	Boxiong Zhang	5-7 6-7

2024 J100 PRAGUE-2

W	1R	Daniel Volesky	7-5 4-6 6-4
L	2R	Adam Soukup	2-6 2-6 - - -

2024 J100 POZNAN

W	1R	Mateusz Lange	6-4 7-6
L	2R	Hidde Schoenmakers	3-6 4-6

2024 J60 VESKA

W	1R	Krystof Kominek	6-2 6-2
L	2R	Adam Soukup	1-6

2024 J100 PRAGUE

W	1R	Sebastian Chodura	6-3 2-6 6-4
W	2R	Tomas Krejci	6-4 6-2
W	QF	David Petrofsky	2-6 6-1 6-2
L	SF	Luc Wieland	5-7 5-7

2024 J60 ILEDESSOEURS

W	1R	Loic Petrecca	6-2 6-3
W	2R	Jacob Rouleau-Mailly	7-6 6-3
L	QF	Adam Faragcao	6-2 5-7 2-6

2024 J100 QUEBECCITY

W	1R	Kartick Gusain	6-3 6-2
L	2R	Mikael Arseneault	0-6 4-6

2024 J30 LEPONTET

W	1R	Tsiry Rabetrano	6-4 6-4
W	2R	Samuel Junior Estevez	0-6 6-4 6-2
W	QF	Zaccharie Cado	6-3 6-3
L	SF	Marc Aurele Desmoulins Ricot	2-6 7-6 4-6

2024 J60 AVIGNON

W	1R	Damien Clerc	6-2 6-3
L	2R	Matia Curuia	3-6 6-3 2-6

2024 J30 MEDFORD

W	1R	Alex Di Fruscia	6-4 6-3
W	2R	Zackary Kimelman	6-1 6-1
W	QF	Alec Barin	6-1 4-6 6-3
W	SF	Maxim Kalinin	6-2 7-6
L	F	Mark Krupkin	3-6 4-6

2023 J30 HILVERSUM

Christian Frederick Cantos Siemers

4-6 7-5 2-6

2023 J30 HRADECKRALOVE

W	1R	Jan Sykora	6-3 6-1
W	2R	Mikolaj Migdalski	6-3 6-1
W	QF	Daniel Bien	6-4 6-1
W	SF	Tomas Krejci	6-0 6-0
W	F	Stepan Sklenicka	1-6 6-3 6-0

2023 J30 LIBEREC

W	1R	Leo Gutjahr	6-0 6-2
W	2R	James Lammas	6-4 6-2
W	QF	Stepan Sklenicka	6-2 7-5
L	SF	Heorhii Shylov	1-6 3-6

2023 J300 SANDIEGO

W	1R	Stephane Pierre-Jo Kamendje	6-2 6-3
L	2R	Quang Duong	4-6 2-6

2023 J60 LASVEGAS

W	1R	Rose Nathan	6-1 6-1
L	2R	Boxiong Zhang	3-6 2-6

2023 J30 MEDFORD

W	1R	Pavan Uppu	4-6 6-2 6-2
W	2R	Miko Lapalme	7-6 6-3
L	QF	Jack Secord	4-6 3-6

2022 J4 DAYTONABEACH

W	1R	Derek Hafiz	7-6 6-1
W	2R	Pablo Paternostro	6-4 1-6 6-4
W	3R	Zane Ensminger Ensminger	6-2 6-2
L	QF	Maxwell Exsted	0-6 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: 332,320