Koharu Nishikawa
2025
| J200 CASTRICUM | [6] | Quarter |
| J100 BRUCHKOEBEL | [1] | 3R |
| J200 GLADBECK | 2R | |
| J500 OFFENBACH | 1R | |
| J300 BEAULIEU-SUR-MER | 1R | |
| J200 ISTRES | 1R | |
| J200 CAPDAIL | 1R | |
| J100 CANBERRA | [4] | Semi |
| J100 MORNINGTON | [3] | Final |
| AUSTRALIAN OPEN JUNIOR | 1R | |
| J300 TRARALGON | 1R |
2024
| J500 OSAKA | Quarter | |
| J200 CHUNCHEON | 2R | |
| J200 NANJING | 1R | |
| J200 SYDNEY | [12] | 3R |
| J100 BRUCHKOEBEL | [11] | Semi |
| J100 THEHAGUE-2 | [8] | Win |
| J300 NONTHABURI-2 | 2R | |
| J100 CANBERRA | [7] | Semi |
| J100 MORNINGTON | [5] | Quarter |
| J100 BRISBANE-2 | [13] | 3R |
| J100 BRISBANE | [10] | Quarter |
| AUSTRALIAN OPEN JUNIOR | 1R | |
| J300 TRARALGON | 2R |
2023
| J100 CHRISTCHURCH | [4] | Semi |
| J100 KUALALUMPUR | 3R | |
| J100 SARAWAK | 3R | |
| J200 SYDNEY-2 | 3R | |
| J60 EINDHOVEN | [13] | 3R |
| J60 HILLEGOM | 1R | |
| J100 MORNINGTON | Semi | |
| J100 CANBERRA | Quarter | |
| J60 SINGAPORE-2 | 2R | |
| J30 SINGAPORE-2 | Quarter |
2022
Nation
AUS
Generation
Born in 2009 (15-16 years old)
World Ranking
Junior World Ranking 169th
Year-end Junior World Ranking
- Year-end 2024 166th
- Year-end 2023 512th
- Year-end 2022 2227th
Match Details
2025 J200 CASTRICUM
| W | 2R | Nouk Kleinenberg | 6-3 6-1 |
| W | 3R | Fleur De Bresser | 6-4 7-5 |
| L | QF | Paola Pinera Celorio | 6-4 2-6 3-6 |
2025 J100 BRUCHKOEBEL
| W | 2R | Tina Manescu | 6-2 6-1 |
| L | 3R | Gwendolyn Fedel | 3-6 6-7 |
2025 J200 GLADBECK
| W | 1R | Xinle Geng | 6-4 2-6 7-5 |
| L | 2R | Sofie Hettlerova | 3-6 2-6 |
2025 J500 OFFENBACH
| L | 1R | Nina Andronicou | 5-7 5-7 |
2025 J300 BEAULIEU-SUR-MER
| L | 1R | Lauren Seye | 5-7 6-3 2-6 |
2025 J200 ISTRES
| L | 1R | Leena Friedman | 7-5 6-7 1-6 |
2025 J200 CAPDAIL
| L | 1R | Denisa Zoldakova | 1-6 1-6 |
2025 J100 CANBERRA
| W | 2R | Escher Case-Boag | 6-3 6-0 |
| W | 3R | Adelie Osher | 6-3 6-3 |
| W | QF | Georgia Campbell | 7-6 |
| L | SF | Renee Alame | 1-6 3-6 |
2025 J100 MORNINGTON
| W | 2R | Dorea Morina | 6-1 6-2 |
| W | 3R | Amy Findlay | 6-1 6-2 |
| W | QF | Sara Nikolic | 6-2 3-6 6-2 |
| W | SF | Jizelle Sibai | 4-6 6-3 3-0 |
| L | F | Ava Beck | 1-6 5-7 |
2025 AUSTRALIAN OPEN JUNIOR
| L | 1R | Jeline Vandromme | 4-6 6-3 2-6 |
2025 J300 TRARALGON
| L | 1R | Jeline Vandromme | 1-6 1-6 |
2024 J500 OSAKA
| W | 1R | Aoi Yoshida | 6-2 6-4 |
| W | 2R | Sara Yoshida | 6-3 6-3 |
| W | 3R | Sonja Zhenikhova | 6-3 7-5 |
| L | QF | Margot Phanthala | 2-6 3-6 |
2024 J200 CHUNCHEON
| W | 1R | Kamonwan Yodpetch | 6-3 6-4 |
| L | 2R | Krisha Mahendran | 2-6 5-7 |
2024 J200 NANJING
| L | 1R | Yuyao Li | 7-5 4-6 6-7 |
2024 J200 SYDNEY
| W | 2R | Audrey Aulia | 7-6 6-4 |
| L | 3R | Renee Alame | 1-6 2-6 |
2024 J100 BRUCHKOEBEL
| W | 2R | Emily Victoria Eigelsbach | 1-6 6-1 7-6 |
| W | 3R | Viola Bedini | 6-2 6-0 |
| W | QF | Hanna Resch | 6-2 6-3 |
| L | SF | Nina Andronicou | 3-6 2-6 |
2024 J100 THEHAGUE-2
| W | 2R | Laura Maser | 6-4 6-4 |
| W | 3R | Galatea Ferro | 6-4 6-3 |
| W | QF | Cindy Langlais | 6-2 6-2 |
| W | SF | Sveva Pieroni | 6-4 6-2 |
| W | F | Britt Du Pree | 6-4 1-6 7-5 |
2024 J300 NONTHABURI-2
| W | 1R | Jinnipa Trachoovanich | 6-3 6-2 |
| L | 2R | Shiyu Ye | 1-6 3-6 |
2024 J100 CANBERRA
| W | 2R | Gina Inyoung Cha | 6-0 6-0 |
| W | 3R | Mahi Khore | 6-1 2-6 7-6 |
| W | QF | Alice Stevens | 6-4 6-3 |
| L | SF | Renee Alame | 5-7 1-6 |
2024 J100 MORNINGTON
| W | 2R | Aimee Anzhen Jin | 6-1 6-2 |
| W | 3R | Sarah Mildren | 6-3 6-2 |
| L | QF | Ava Beck | 4-6 4-6 |
2024 J100 BRISBANE-2
| W | 2R | Natalie Gaft | 6-4 6-2 |
| L | 3R | Alana Subasic | 7-6 3-6 2-6 |
2024 J100 BRISBANE
| W | 2R | Scarlett Dattoli | 6-2 6-0 |
| W | 3R | Yu Yun Tsai | 6-1 6-4 |
| L | QF | Peien Deng | 6-1 1-6 4-6 |
2024 AUSTRALIAN OPEN JUNIOR
| L | 1R | Mia Slama | 2-6 2-6 |
2024 J300 TRARALGON
| W | 1R | Luna Maria Cinalli | 3-6 6-4 7-5 |
| L | 2R | Daria Egorova | 0-6 1-6 |
2023 J100 CHRISTCHURCH
| W | 2R | Ayla Giesen | 6-3 6-3 |
| W | 3R | Rebecca Cairns | 3-0 |
| W | QF | Alize Yarwood | 6-3 6-2 |
| L | SF | Renee Zhang | 4-6 5-7 |
2023 J100 KUALALUMPUR
| W | 1R | Guyun Yuchi | 6-2 6-0 |
| W | 2R | Lidia Podgorichani | 6-7 6-4 6-0 |
| L | 3R | Kaili Demi Teso | 6-1 5-7 1-6 |
2023 J100 SARAWAK
| W | 1R | Nathanielle Ann Wan Xuan Lee | 6-0 6-1 |
| W | 2R | Sue Yan Tan | 6-3 6-0 |
| L | 3R | Kanon Sawashiro | 2-6 3-6 |
2023 J200 SYDNEY-2
| W | 1R | Jizelle Sibai | 6-3 7-5 |
| W | 2R | Bridget Mihulka | 6-4 7-6 |
| L | 3R | Giselle Isabella Guillen | 1-6 6-4 3-6 |
2023 J60 EINDHOVEN
| W | 2R | Alessia Antici | 6-3 6-0 |
| L | 3R | Philippa Faerber | 6-2 3-6 1-6 |
2023 J60 HILLEGOM
| L | 1R | Safien Boulonois | 6-2 4-6 4-6 |
2023 J100 MORNINGTON
| W | 1R | Lucy Quinlan | 6-2 6-2 |
| W | 2R | Leanne Abouhamad | 6-3 6-3 |
| W | 3R | Sara Nikolic | 6-2 6-3 |
| W | QF | Rhea Makesar | 6-2 7-6 |
| L | SF | I Wen Wan | 2-6 6-7 |
2023 J100 CANBERRA
| W | 1R | Ruby Ward | 5-7 6-1 6-2 |
| W | 2R | Rhea Makesar | 2-6 6-4 6-1 |
| W | 3R | Ruby Young | 6-2 6-1 |
| L | QF | Ashlee Narker | 3-6 2-6 |
2023 J60 SINGAPORE-2
| W | 1R | Rito Arima | 2-6 6-2 6-0 |
| L | 2R | Joanne Lynn Hartono | 1-6 3-6 |
2023 J30 SINGAPORE-2
| W | 1R | Saya Otsuka | 6-2 6-0 |
| W | 2R | Michelle Yeo | 6-2 6-1 |
| L | QF | Kimiko Cooper | 2-6 4-6 |
2022 J5 PERTH
| W | 1R | Marielou Baudouin | 6-1 6-2 |
| L | 2R | Peyton Duckett | 4-6 6-7 |
2022 J5 ADELAIDE-2
| L | 1R | Gabrielle Villegas | 3-6 3-6 |
2022 J3 MORNINGTON-2
| L | 1R | Lily Taylor | 1-6 1-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9586, Number of registered players: 5,950, Number of registered results: 317,489