Luke Koh
2025
| J300Kuching | 2R | |
| J200Kualalumpur | 1R | |
| J30Colombo-2 | [1] | Semi |
| J30Colombo | [1] | Final |
| J60Singapore-2 | [4] | 2R |
| J30Singapore-2 | [1] | Quarter |
| J100Wellington | [8] | 3R |
| J100Christchurch | [9] | 2R |
2024
| J60Manilacity-2 | [4] | Quarter |
| J100Newdelhi | 2R | |
| J60Nonthaburi-4 | 1R | |
| J300Wanju | 1R | |
| J60Colombo-2 | [2] | Semi |
| J60Singapore-3 | [6] | Final |
| J30Singapore-3 | [2] | Win |
| J60Ipoh | [15] | 3R |
| J60Seremban | [13] | 2R |
| J60Nonthaburi-2 | 2R | |
| J60Nonthaburi | [13] | 3R |
| J60Yanggu-Gun | [8] | 1R |
| J30Sunchang | [5] | 2R |
| J30Incheon | [7] | 1R |
| J60Andong | 1R | |
| J30Andong | [4] | 2R |
| J30Yeongwol | [5] | 1R |
| J60Singapore-2 | [8] | 1R |
| J30Singapore-2 | [3] | 1R |
| J60Singapore | Quarter |
2023
Nation
SGP
Generation
Born in 2007 (17-18 years old)
World Ranking
Junior World Ranking 461th
Year-end Junior World Ranking
- Year-end 2024 595th
- Year-end 2023 1117th
- Year-end 2022 2640th
- Year-end 2021 1651th
- Year-end 2020 1959th
Rival
Teetawat Tavachphongsri (3-0)
Imran Daniel Abdul Hazli (0-3)
Jian Huang (2-0)
Ethan David Zapp (2-0)
Dongjae Kim (0-2)
Match Details
2025 J300Kuching
| W | 1R | Kanata Ozaki | 5-7 6-1 3-0 |
| L | 2R | Duje Markovina | 2-6 1-6 |
2025 J200Kualalumpur
| L | 1R | Eito Komada | 2-6 4-6 |
2025 J30Colombo-2
| W | 1R | Aahil Kaleel | 6-2 6-2 |
| W | 2R | Teetawat Tavachphongsri | 6-3 4-6 6-3 |
| W | QF | Oscar Casas Mas | 6-2 6-3 |
| L | SF | Mikaeel Ali Baig | 6-7 5-7 |
2025 J30Colombo
| W | 1R | Nikhil Kurapati | 6-7 6-4 6-2 |
| W | 2R | Andy Zhang | 6-3 6-7 6-2 |
| W | QF | Aayushman Hajur Ghale | 6-4 6-3 |
| W | SF | Saveliy Yuzov | 6-2 6-4 |
| L | F | Fu Wang Choi | 3-6 7-6 2-6 |
2025 J60Singapore-2
| W | 1R | Jian Huang | 2-6 6-1 6-2 |
| L | 2R | Eita Suzuki | 5-7 4-6 |
2025 J30Singapore-2
| W | 1R | Brandon Lehman | 6-3 6-3 |
| W | 2R | Kwok Ting Makson Chan | 6-3 6-4 |
| L | QF | Sota Kagawa | 6-4 2-6 6-7 |
2025 J100Wellington
| W | 2R | Ari Lewis-Kelly | 7-6 6-2 |
| L | 3R | Aidan Lam Meng Bart | 1-6 4-6 |
2025 J100Christchurch
| L | 2R | Alex Savelli | 4-6 6-0 2-6 |
2024 J60Manilacity-2
| W | 1R | Takahiro Kawaguchi | 6-4 6-4 |
| W | 2R | Seungjun Min | 6-3 6-3 |
| L | QF | Koki Nara | 6-7 0-1 |
2024 J100Newdelhi
| W | 1R | Prateek Sheoran | 7-5 6-4 |
| L | 2R | Egor Shcherbakov | 6-1 1-6 6-7 |
2024 J60Nonthaburi-4
| L | 1R | Kunanan Pantaratorn | 1-6 3-6 |
2024 J300Wanju
| L | 1R | Juan Kim | 3-6 7-5 3-6 |
2024 J60Colombo-2
| W | 1R | Puchit Sukjai | 6-1 6-1 |
| W | 2R | Methvan Wijemanne | 6-4 6-3 |
| W | QF | Tzu-Yuan Tseng | 6-4 7-6 |
| L | SF | Tavish Pahwa | 5-7 6-7 |
2024 J60Singapore-3
| W | 1R | Ethan David Zapp | 6-3 6-4 |
| W | 2R | Andreas Foong | 7-6 6-2 |
| W | QF | Wenbo Bai | 6-7 6-4 6-3 |
| W | SF | Ahmad Fauzan | 6-7 6-4 7-6 |
| L | F | Vincent Dullinger | 0-6 6-7 |
2024 J30Singapore-3
| W | 1R | Zhicheng Guo | 7-6 6-0 |
| W | 2R | Joseph Owen Lauw | 6-4 6-1 |
| W | QF | Jian Huang | 7-5 6-4 |
| W | SF | Ethan David Zapp | 0-6 6-3 7-5 |
| W | F | Woo Yeon Na | 6-1 6-1 |
2024 J60Ipoh
| W | 2R | Kei Matsumoto | 6-2 6-2 |
| L | 3R | Jaden Dewandaka Tan | 1-6 1-6 |
2024 J60Seremban
| L | 2R | Vishal Prakash | 2-6 3-6 |
2024 J60Nonthaburi-2
| W | 1R | Narathip Rueangsri | 6-2 6-1 |
| L | 2R | Taisei Hata | 4-6 1-6 |
2024 J60Nonthaburi
| W | 2R | Pangya Pholphirul | 6-1 6-1 |
| L | 3R | Chen Hui Ho | 2-6 4-6 |
2024 J60Yanggu-Gun
| L | 1R | Dongjae Kim | 6-4 3-6 0-6 |
2024 J30Sunchang
| W | 1R | Jiho Yang | 6-0 6-1 |
| L | 2R | Dongjae Kim | 6-1 6-7 0-1 |
2024 J30Incheon
| L | 1R | Seongwoo Joo | 7-6 2-6 4-6 |
2024 J60Andong
| L | 1R | Chang Min Ryu | 4-6 6-4 2-6 |
2024 J30Andong
| W | 1R | Gun Song | 7-6 4-6 6-3 |
| L | 2R | Dongmin Kim | 0-6 2-6 |
2024 J30Yeongwol
| L | 1R | Jisung Lee | 6-7 1-6 |
2024 J60Singapore-2
| L | 1R | Joachim Mika Gunawan | 5-7 2-6 |
2024 J30Singapore-2
| L | 1R | Zheng Nan Huang | 6-2 5-7 4-6 |
2024 J60Singapore
| W | 1R | Rhys Giacomo Watters | 6-1 2-6 6-3 |
| W | 2R | Jacob Kailiang Shen | 7-5 6-4 |
| L | QF | Weiyi Kong | 3-6 2-6 |
2023 J30Paralimni
| W | 1R | Socrates Neocleous | 6-2 6-4 |
| L | 2R | Filippo Alfano | 4-6 2-6 |
2023 J100Kualalumpur
| W | 1R | Bowen Zhong | 6-2 6-1 |
| L | 2R | Imran Daniel Abdul Hazli | 3-6 7-6 3-6 |
2023 J100Sarawak
| W | 1R | Shun Wakino | 6-1 7-6 |
| L | 2R | Imran Daniel Abdul Hazli | 6-3 4-6 2-6 |
2023 J60Singapore-3
| W | 1R | Jaydon Barki | 6-1 6-2 |
| L | 2R | Imran Daniel Abdul Hazli | 4-6 3-6 |
2023 J30Nonthaburi-2
| W | 1R | Wei-Hsin Lu | 7-5 6-2 |
| W | 2R | Teetawat Tavachphongsri | 6-4 6-4 |
| W | 3R | Ryu Kotikula | 6-4 6-4 |
| W | QF | Shotaro Yamamoto | 2-6 6-4 6-4 |
| L | SF | Juchan Hwang | 3-6 2-6 |
2023 J30Nonthaburi
| W | 1R | Ziyan Zhang | 6-3 6-1 |
| W | 2R | Aarav Samrat Hada | 7-5 3-6 6-3 |
| W | 3R | Teetawat Tavachphongsri | 6-4 6-4 |
| W | QF | Nagamitsu Kuroda | 6-1 1-6 7-6 |
| L | SF | Kai-An Wu | 5-7 2-6 |
2023 J30Sanmarino
| L | 1R | Pietro Casciola | 6-0 6-7 6-7 |
2023 J60Dakahlia
| W | 1R | Hachem Elaraby | 6-2 7-5 |
| L | 2R | Eyad Reda Ezzat Mohamed Sherif | 1-6 0-2 |
2023 J60Cairo
| L | 1R | Youssef Elshafei | 4-6 5-7 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5778, Number of registered players: 4,878, Number of registered results: 222,253