Ena Koike
2024
| WIMBLEDON JUNIOR | [13] | 2R |
| J300 ROEHAMPTON | [12] | 1R |
| ROLAND GARROS JUNIOR | [8] | 1R |
| AUSTRALIAN OPEN JUNIOR | [10] | Semi |
2023
| US OPEN JUNIOR | [6] | Quarter |
| WIMBLEDON JUNIOR | [8] | Quarter |
| J300 ROEHAMPTON | [7] | Semi |
| ROLAND GARROS JUNIOR | [12] | 2R |
| J500 MILAN | [10] | Quarter |
| AUSTRALIAN OPEN JUNIOR | [11] | 3R |
| J300 TRARALGON | [10] | 3R |
2022
| J1 BRADENTON | [5] | Semi |
| JB1 OSAN-ASIACLOSED | [2] | Win |
| J2 CHUNCHEON | [1] | Win |
| J3 SARAWAK | [2] | Win |
| J1 SARAWAK | [8] | Win |
| J1 REPENTIGNY | 2R | |
| J1 COLLEGEPARK | 2R | |
| J3 SANTODOMINGO-4 | [1] | Semi |
| J3 SANTODOMINGO-3 | [2] | Semi |
| J1 SALINAS | 1R | |
| J1 BARRANQUILLA | Quarter | |
| J1 SANJOSE | 2R |
2021
| JAPLANTATION | 2R | |
| J1 BRADENTON | 1R | |
| JAMERIDA | 1R | |
| J1 GUADALAJARA | 3R | |
| J2 ISTANBUL | 2R | |
| J5 ISTANBUL | [5] | Final |
| J1 COLLEGEPARK | 2R | |
| J3 SANTODOMINGO-4 | 2R | |
| J3 SANTODOMINGO-3 | 1R | |
| J5 DAYTONABEACH | Final | |
| J4 CANCUN-4 | Quarter | |
| J5 MANAGUA-2 | Win | |
| J5 MANAGUA | Quarter |
2020
Nation
JPN
Age
19 years old (born in 2006)
World Ranking
WTA Ranking　502th
Year-end Junior World Ranking
- Year-end 2024 102th
- Year-end 2023 16th
- Year-end 2022 20th
- Year-end 2021 208th
Match Details
WIMBLEDON JUNIOR
| W | 1R | Ruth Roura Llaverias | 7-6 44-6 7-5 |
| L | 2R | Sonja Zhiyenbayeva | 3-6 4-6 |
J300 ROEHAMPTON
| L | 1R | Laima Vladson | 3-6 7-5 4-5 |
ROLAND GARROS JUNIOR
| L | 1R | Gloriana Nahum | 3-6 6-2 4-6 |
AUSTRALIAN OPEN JUNIOR
| W | 1R | Renee Alame | 6-2 6-4 |
| W | 2R | Rose Marie Nijkamp | 6-3 6-2 |
| W | 3R | Vendula Valdmannova | 6-3 6-2 |
| W | QF | Vlada Mincheva | 7-6 6-0 |
| L | SF | Renata Jamrichova | 4-6 6-2 3-6 |
US OPEN JUNIOR
| W | 1R | Tyra Caterina Grant | 7-5 6-3 |
| W | 2R | Elizara Yaneva | 7-6 6-4 |
| W | 3R | Aspen Schuman | 6-7 6-3 6-2 |
| L | QF | Katherine Hui | 0-6 3-6 |
WIMBLEDON JUNIOR
| W | 1R | Gabia Paskauskas | 6-0 6-1 |
| W | 2R | Alanis Hamilton | 7-6 6-7 6-0 |
| W | 3R | Taylah Preston | 6-4 6-3 |
| L | QF | Alina Korneeva | 5-7 6-7 |
J300 ROEHAMPTON
| W | 1R | Malwina Rowinska | 4-6 6-4 6-3 |
| W | 2R | Tatum Evans | 2-6 6-3 6-4 |
| W | 3R | Nina Vargova | 7-6 3-6 6-2 |
| W | QF | Isabelle Lacy | 6-4 6-2 |
| L | SF | Tereza Valentova | 1-6 6-7 |
ROLAND GARROS JUNIOR
| W | 1R | Laura Samson | 6-2 6-3 |
| L | 2R | Anastasiia Gureva | 6-0 6-7 3-6 |
J500 MILAN
| W | 1R | Charo Esquiva Banuls | 7-6 6-4 |
| W | 2R | Alisa Oktiabreva | 6-2 7-6 |
| W | 3R | Federica Urgesi | 5-7 6-3 6-4 |
| L | QF | Clervie Ngounoue | 6-4 2-6 5-7 |
AUSTRALIAN OPEN JUNIOR
| W | 1R | Anastasia Grechkina | 6-4 6-2 |
| W | 2R | Maria Daciana Ciubotaru | 6-2 6-4 |
| L | 3R | Weronika Ewald | 2-6 6-1 5-7 |
J300 TRARALGON
| W | 1R | Gabrielle Villegas | 6-3 6-1 |
| W | 2R | Onyu Choi | 4-6 6-3 6-1 |
| L | 3R | Mirra Andreeva | 2-6 2-6 |
J1 BRADENTON
| W | 1R | Emily Sartz-Lunde | 6-3 6-1 |
| W | 2R | Ava Krug | 6-3 7-6 |
| W | 3R | Charlotte Kempenaers-Pocz | 4-6 6-2 |
| W | QF | Luciana Moyano | 7-5 6-2 |
| L | SF | Mayu Crossley | 2-6 1-3 |
JB1 OSAN-ASIACLOSED
| W | 1R | Eun Seo Kim | 7-5 6-1 |
| W | 2R | Ching Laam Lai | 6-1 6-1 |
| W | 3R | Nahyeong Cho | 6-2 4-6 6-2 |
| W | QF | Hyunyee Lee | 6-4 4-6 6-4 |
| W | SF | Gaeul Jang | 6-4 6-0 |
| W | F | Onyu Choi | 6-4 6-3 |
J2 CHUNCHEON
| W | 1R | Jieon Oh | 6-3 6-0 |
| W | 2R | Maayan Laron | 6-1 6-0 |
| W | QF | Onyu Choi | 6-1 6-2 |
| W | SF | Roisin Gilheany | 6-4 6-3 |
| W | F | Shiho Tsujioka | 6-4 6-3 |
J3 SARAWAK
| W | 3R | Sin Yu Che | 6-1 6-3 |
| W | QF | Roisin Gilheany | 7-6 6-3 |
| W | SF | Lidia Podgorichani | 6-0 6-2 |
| W | F | Salma Drugdova | 6-3 6-2 |
J1 SARAWAK
| W | 2R | Tejsavi Dabas | - - - |
| W | 3R | Lily Fairclough | 6-3 7-5 |
| W | QF | Amelie Smejkalova | 6-0 7-6 |
| W | SF | Lily Taylor | 6-4 6-1 |
| W | F | Monika Stankiewicz | 7-5 6-2 |
J1 REPENTIGNY
| W | 1R | Mariya Dobreva | 6-4 6-1 |
| L | 2R | Yara Bartashevich | 2-6 6-3 4-6 |
J1 COLLEGEPARK
| W | 1R | Sage Loudon | 6-3 6-4 |
| L | 2R | Ahmani Guichard | 5-7 2-6 |
J3 SANTODOMINGO-4
| W | 1R | Madi Rogers | 6-0 |
| W | 2R | Nehanda Thomias | 6-4 6-4 |
| W | QF | Maria Dominique Fuenzalida Higareda | 6-1 6-2 |
| L | SF | Anya Murthy | 6-1 1-6 3-6 |
J3 SANTODOMINGO-3
| W | 1R | Catherine Walker | 5-7 6-2 6-0 |
| W | 2R | Maria Gell | 6-4 6-1 |
| W | QF | Anna-Raphaelle Serghi | 6-3 6-1 |
| L | SF | Maya Iyengar | 2-6 2-6 |
J1 SALINAS
| L | 1R | Renata Jamrichova | 3-6 1-6 |
J1 BARRANQUILLA
| W | 1R | Carla Pacot | 6-2 6-2 |
| W | 2R | Lucciana Perez Alarcon | 6-4 6-3 |
| W | 3R | Maria Carolina Ferreira Turchetto | 4-6 6-0 6-2 |
| L | QF | Olivia Lincer | 2-6 2-6 |
J1 SANJOSE
| W | 1R | Juliette Bovy | 6-2 6-1 |
| L | 2R | Ahmani Guichard | 2-6 6-4 1-6 |
JAPLANTATION
| W | 1R | Sophie Llewellyn | 6-1 6-2 |
| L | 2R | Diana Shnaider | 2-6 2-6 |
J1 BRADENTON
| L | 1R | Elisabeth Jones | 7-5 4-6 3-6 |
JAMERIDA
| L | 1R | Sonya Macavei | 6-7 3-6 |
J1 GUADALAJARA
| W | 1R | Naomi Xu | 6-4 6-1 |
| W | 2R | Madeleine Jessup | 4-6 6-4 6-4 |
| L | 3R | Chelsea Fontenel | 5-7 6-7 |
J2 ISTANBUL
| W | 1R | Eda Numanoglu | 6-0 6-1 |
| L | 2R | Anna Zyryanova | 6-7 4-6 |
J5 ISTANBUL
| W | 1R | Runa Muderrisoglu | 7-6 6-3 |
| W | 2R | Rana Bozdag | 7-5 6-0 |
| W | 3R | Ada Pinara Karabacak | 6-2 6-1 |
| W | QF | Martina Pavissich | 6-1 6-0 |
| W | SF | Sandugash Kenzhibayeva | 6-1 7-5 |
| L | F | Aleksandra Gabrovska | 4-6 6-3 2-6 |
J1 COLLEGEPARK
| W | 1R | Shivaani Selvan | 6-2 6-0 |
| L | 2R | Brenda Fruhvirtova | 7-5 1-6 5-7 |
J3 SANTODOMINGO-4
| W | 1R | Daniella Ben-Abraham | 6-2 6-3 |
| L | 2R | Martyna Ostrzygalo | 2-6 1-6 |
J3 SANTODOMINGO-3
| L | 1R | Olivia Lincer | 2-6 4-6 |
J5 DAYTONABEACH
| W | 1R | Ahmani Guichard | 6-3 1-6 7-5 |
| W | 2R | Kaitlyn Rolls | 6-3 6-2 |
| W | QF | Mia Yamakita | 6-2 6-3 |
| W | SF | Tatum Evans | 7-5 6-3 |
| L | F | Nevena Carton | 1-6 5-7 |
J4 CANCUN-4
| W | 1R | Ashton Bowers | 2-0 |
| W | 2R | Mariana Reding | 6-2 6-2 |
| L | QF | Cadence Brace | 4-6 3-6 |
J5 MANAGUA-2
| W | 1R | Aida Oviedo | 6-0 6-0 |
| W | 2R | Natalia Vela Zangroniz | 6-1 6-3 |
| W | QF | Sarah Lallier | 6-4 6-0 |
| W | SF | Ellie Daniels | 6-1 6-1 |
| W | F | Elizabeth Tkachenko | 6-3 6-3 |
J5 MANAGUA
| W | 1R | Tianna Rangan | 6-1 6-3 |
| W | 2R | Ellie Daniels | 4-6 6-2 7-5 |
| L | QF | Sierra Berry | 1-6 4-6 |
J3 SAITAMA
| L | 1R | Sayaka Ishii | 3-6 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 10505, Number of registered players: 6,666, Number of registered results: 385,227