Ethan David Zapp

2025

J30 LEIMEN	[3]	Win
J100 KUCHING		2R
J60 SINGAPORE-3	[8]	Quarter
J30 SINGAPORE-3	[6]	Quarter
J30 ESCH/ALZETTE	[3]	2R
J60 SCHIFFLANGE		2R
J60 EINDHOVEN		2R
J60 HILLEGOM		3R
J100 NEUNKIRCHEN		1R
J30 HILVERSUM	[5]	Final
J30 SUKOHARJO-2	[6]	2R
J30 SUKOHARJO	[6]	2R
J30 THALWIL	[7]	Quarter
J60 ICKERN	[13]	2R
J60 SINGAPORE-2		1R
J30 SINGAPORE-2		Quarter
J60 SINGAPORE		2R
J30 SINGAPORE	[7]	Quarter

2024

J60 ARLON		1R
J30 LEIMEN		1R
J60 HEIVELD		1R
J30 OFFENBACH	[8]	1R
J60 EMMELOORD		1R
J100 KUCHING		2R
J60 SINGAPORE-3		1R
J30 SINGAPORE-3		Semi
J100 NEUNKIRCHEN		1R
J30 HILVERSUM	[15]	3R
J30 JEMBER-2	[14]	2R
J30 JEMBER	[13]	Semi
J30 THALWIL		2R
J30 HASSELT		2R
J60 SINGAPORE-2		1R

2023

J30 JAKARTA		1R
J30 SURABAYA		1R
J30 MERZIG		2R
J60 SCHIFFLANGE		1R
J100 NEUNKIRCHEN		2R

2022

J3 NEUNKIRCHEN

Nation

INA

Generation

Born in 2008 (16-17 years old)

World Ranking

Junior World Ranking　872th

Year-end Junior World Ranking

Rival

Luke Koh (0-3)

[2025] J30SINGAPORE-3 3-6 6-4 6-7
[2024] J60SINGAPORE-3 3-6 4-6
[2024] J30SINGAPORE-3 6-0 3-6 5-7

Bryan Heuwekemeijer (2-0)

[2025] J60HILLEGOM 6-3 6-3
[2025] J30HILVERSUM 6-4 7-5

Zachary Sng (2-0)

[2025] J60SINGAPORE-3 7-5 7-6
[2025] J30SINGAPORE-3 6-1 4-3

Match Details

2025 J30 LEIMEN

W	1R	Ole Christensen	6-2 7-6
W	2R	Patryk Sarnowski	6-2 6-2
W	QF	Atakan Cinar	6-3 6-4
W	SF	Lasse Bohr	6-7 6-4 6-4
W	F	Tom Frederik Siebold	6-3 6-1

2025 J100 KUCHING

W	1R	Danthai Takong	4-0
L	2R	Kuan-Ting Chen	7-6 2-6 3-6

2025 J60 SINGAPORE-3

W	1R	Zachary Sng	7-5 7-6
W	2R	Andre Harnadi	6-1 6-0
L	QF	Kensuke Kobayashi	4-6 2-6

2025 J30 SINGAPORE-3

W	1R	Simon Tremolieres	6-2 6-3
W	2R	Zachary Sng	6-1 4-3
L	QF	Luke Koh	3-6 6-4 6-7

2025 J30 ESCH/ALZETTE

W	1R	Maximilian Williams	6-2 6-2
L	2R	Finn Stoter	6-2 1-6 4-6

2025 J60 SCHIFFLANGE

W	1R	Nicolas Schiltz Solvi	6-4 6-2
L	2R	Matei Victor Chelemen	3-6 3-6

2025 J60 EINDHOVEN

W	1R	Bartu Karayel	7-5 6-7 6-3
L	2R	Motoharu Abe	3-6 1-6

2025 J60 HILLEGOM

W	1R	Bryan Heuwekemeijer	6-3 6-3
W	2R	Marco Meacci	7-5 6-3
L	3R	Svit Suljic	1-6 3-6

2025 J30 HILVERSUM

W	2R	Julius Schliemann	6-2 7-6
W	3R	Marc Sampol Valverde	6-2 6-1
W	QF	Bryan Heuwekemeijer	6-4 7-5
W	SF	Samuel Zlotnik	6-0 6-3
L	F	Jonathan Dazert	6-7 3-6

2025 J30 THALWIL

W	1R	Colin Landry	7-5 2-6 6-1
W	2R	Maxime Rochat	6-4 6-1
L	QF	Benjamin Freyholdt	3-6 6-3 4-6

2025 J30 SINGAPORE-2

W	1R	Ethan Chiang	6-2 6-1
W	2R	Jian Huang	6-3 7-5
L	QF	Shotaro Yamamoto	1-6 5-7

2025 J60 SINGAPORE

W	1R	Patham Laosakulporn	6-2 6-2
L	2R	Jun Hao Luo	2-6 2-6

2025 J30 SINGAPORE

W	1R	Perawat Sukjai	6-0 6-1
W	2R	Aqil Adibi Rahiman	45-5 4-1 4-0
L	QF	Sion Ji	1-4 2-4

2024 J100 KUCHING

W	1R	Roger Koike	1-6 6-2 4-4
L	2R	Chen Hui Ho	1-6 2-6

2024 J30 SINGAPORE-3

W	1R	Kieran Lin	6-1 6-2
W	2R	Adavait Mantri	6-1 6-3
W	QF	Bryan Dickson	2-6 6-3 6-2
L	SF	Luke Koh	6-0 3-6 5-7

2024 J30 HILVERSUM

W	2R	Joshua Neunzig	6-1 3-2
L	3R	Hidde Schoenmakers	3-6 0-6

2024 J30 JEMBER

W	2R	Jaden Elliott	6-1 4-6 6-3
W	3R	Sabri Dwi Bayhaki Adi Suyeto	6-3 6-4
W	QF	Raphael Rio Suryana	6-2 6-2
L	SF	Aldhito Ramadhan Dwi Kurniawan	3-6 2-6

2024 J30 THALWIL

W	1R	Niccolo Crivelli	2-6 6-4 6-4
L	2R	Philip Weber	1-6 3-6

2023 J30 MERZIG

W	1R	Valentin Loesch	6-4 6-2
L	2R	Christian Frederick Cantos Siemers	2-6 2-6

2023 J100 NEUNKIRCHEN

W	1R	Patrick-Valentin Moise	4-6 7-6 6-1
L	2R	Dominick Mosejczuk	1-6 3-6

Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 10199, Number of registered players: 6,476, Number of registered results: 375,895