Links

Tennis Association

ATP http://www.atpworldtour.com
Japan Tennis Association http://www.jta-tennis.or.jp
Kanto Tennis Association http://www.kanto-tennis.com
Kanagawa Tennis Association http://www.kanagawa-tennis.jp

Special Sponsor

Ezaki Glico Co., Ltd. https://www.glico.com/jp/
Cybozu, Inc. http://cybozu.co.jp
Suzunoya http://www.suzunoya.com
Mizuno Corporation http://corp.mizuno.com/jp/

Sponsor

Winroader http://www.winroader.co.jp
GODAI Tennis College http://www.godai.gr.jp/
Bridgestone Sports Co., Ltd. http://www.bs-sports.co.jp

Special Cooperation

Windsor Corporation. http://www.windsorracket.co.jp
Otsuka Pharmaceutical Co., Ltd. http://www.otsuka.co.jp/
Tamagoya http://www.tamagoya.co.jp/
Matsukou http://www.matsukoufruits.com
Wakou Printing

Cooperation

Ito Co., Ltd http://www.itolator.co.jp
HOTSHOT http://hotshot.jp
Richmond Hotels http://richmondhotel.jp/musashikosugi/

Keio University

Keio University http://www.keio.ac.jp
Keio University Tennis Club http://www.keio-tennis.com
Keio University Tennis Club Official Blog http://ameblo.jp/keiotennisteam/
Keio University Tennis Club Official Facebook https://www.facebook.com/keiotennisteam/

Keio Challenger

Brog http://ameblo.jp/keiochallenger2012/
Facebook https://www.facebook.com/KeioChallenger
Twitter https://twitter.com/keiochallenger
YouTube https://www.youtube.com/watch?v=YvOGJL96U-4

Japanese