Big K
Nerima, Tokyo, Japan
One of today's pros grew up on these courts.
- Erika Sema #554 WTA
Big K Tennis is a tennis school between Kichijoji and Musashi-Seki stations in Nerima, Tokyo, run by former Japanese champion Kimiyo Hatanaka. It runs classes for adults and juniors, a training room mainly for junior players, and the Big K Open Junior tournament.
3 omni courts (sand-filled artificial grass), with lights
Programmes and prices
What they sell and what it costs, as published on Oct 19, 2026.
- Adult weekday class (General Master): adults, levels from first-timer to advanced, doubles-based. JPY 21,450 / 8 lessons
- Adult weekend and night class (General Master): adults, levels from first-timer to advanced. JPY 23,650 / 8 lessons
- Adult match-play classes (Tournament course T2, T3): adults, intermediate (T2) and advanced players who play outside matches (T3). JPY 25,850 / 8 lessons (T2) · JPY 28,050 / 8 lessons (T3)
- Saturday match-play and Ladies classes (TS, MT, Ladies): adults, TS intermediate and up, MT advanced, Ladies a high-level women's class for outside matches. JPY 19,800 / 5 lessons (TS) · JPY 17,600 / 5 lessons (MT) · JPY 17,050 / 5 lessons (Ladies)
- Kinder course (Kinder): kids before grade 1. JPY 14,300 / 8 lessons
- Junior Master course J1 to J4 (Junior Master): kids and juniors from grade 1 to grade 12, by level. JPY 56,100 / 24 lessons
- Players class, junior development course (Players): juniors from grade 1 to under 18, by tryout lesson and interview. JPY 55,000 / month (5 days a week) · JPY 60,000 / month (free course)
- Players trial course (Trial course): kids and juniors in grades 1 to 9 in the Junior Master course, aiming at the Players class. JPY 33,000 / month
- Junior camp: kids and juniors in the J1 to J4 classes. Price on request
- Private lessons: adults and juniors who want one-to-one coaching. from JPY 8,800 / 60 min (students) · from JPY 9,900 / 60 min (visitors)
- Court rental: adults and anyone who books a court. JPY 2,750 / hour (weekdays 9:00–18:00, students) · JPY 3,300 / hour (weekdays, visitors)
Deals and codes
- Trial lesson: free for the Kinder class, JPY 1,100 for adult and junior classes
- Spring sign-up campaign every Apr and May, with free trial lessons
- Twice a week: JPY 2,200 off for adults, JPY 5,500 off for juniors
- Brothers and sisters: JPY 5,500 off the junior class fee
- Family: half the registration fee from the second family member
- Adults referred by a student: JPY 1,100 off the joining fee
- Continuing adult students: JPY 550 off the lesson fee
- Moving up from the junior classes to Players: JPY 22,000 off the joining fee
The facts
- Tennis courts: 3 (omni courts, sand-filled artificial grass, with lights)
- Founded: 1973 (Big K Tennis company set up in July 1973)
- Kids per class: 10 (at most, one coach, in the Kinder and Junior Master classes)
- Kinder course: JPY 14,300 (for 8 weekly lessons of 60 minutes, no joining fee)
- Adult classes from: JPY 21,450 (for 8 weekly 90-minute lessons on weekdays)
- Players class: JPY 55,000 (a month, 5 days a week)
- Boarding: Not mentioned
- School on site: Not mentioned
- From age: Preschool, Kinder course
- Adults: Classes by level, match play
- Visits: Trial lesson, free for Kinder
- Locations: Nerima club, sister school in Katsushika
- How to get in: Players class by a tryout lesson and an interview, JPY 3,300; juniors from primary school to under 18
- Visits and trials: Trial lesson, free for Kinder, JPY 1,100 for adult and junior classes; book by phone
Coaches
- Yuta Hirokawa (広川 裕太), Head coach of the Players class
- Rieko Mochizuki (望月 理恵子), Head coach of the junior classes
- Takuya Kato (加藤 卓也), Head coach of the adult classes
- Masaaki Matsuzawa (松澤 正明), Manager and certified instructor, adult classes
- Chihiro Ueki (植木 千尋), Chief coach
- Keiko Kanie (蟹江 慶子), Chief coach, kids classes
- Nana Ueda (上田 奈々), Chief coach, adult classes
- Shunichi Nagai (永井 俊一), Chief coach
Tournaments they host
- Big K Open Junior. Junior tournament on their courts, Aug 17–22 in 2026
- Red, green and yellow ball tournaments. Held regularly for the J1, J2 and J3 kids classes, medals for winners
- Students' tournament. Once a year in September for adult school students, Sep 23 in 2026
- Big K Cup mixed doubles. Every November for adult students of Big K and its sister school
Where it is
〒177-0054 東京都練馬区立野町30-10 (30-10 Tatenocho, Nerima City, Tokyo).
Also in Japan
- Sakurada Club 6 km, Chofu. 1 pro raised, best Hayato Matsuoka #242 ATP
- Jiyugaoka International Tennis College 14 km, Tokyo. 2 pros raised, best Yosuke Watanuki #375 ATP
- S.ONE Green Tennis Club 16 km, Kawasaki. 1 pro raised, best Mai Hontama #168 WTA
- TEAM YONEZAWA 17 km, Tokyo. 2 pros raised, best Yuki Naito #278 WTA
- Yono Tennis Club 18 km, Saitama. 2 pros raised, best Misaki Matsuda #456 WTA
- Moripark Tennis Garden 21 km, Akishima, Tokyo. 1 pro raised, best Moyuka Uchijima #121 WTA
- Machida Lawn Tennis Club 22 km, Machida. 1 pro raised, best Mai Hontama #168 WTA
- F Tennis 25 km, Ageo. 2 pros raised, best Mei Yamaguchi #256 WTA
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