2003 AIG Japan Open Tennis Championships

2003 AIG Japan Open Tennis Championships
2003 AIG Japan Open Tennis Championships
Date	September 29 – October 5
Edition	30th
Surface	Hard / outdoors
Location	Tokyo, Japan
Venue	Ariake Coliseum
Champions
Men's singles
	Rainer Schüttler
Women's singles
	Maria Sharapova
Men's doubles
	Justin Gimelstob / Nicolas Kiefer
Women's doubles
	Maria Sharapova / Tamarine Tanasugarn

DateSeptember 29 – October 5

Edition30th

SurfaceHard / outdoors

LocationTokyo, Japan

The 2003 AIG Japan Open Tennis Championships was a combined men's and women's tennis tournament played on outdoor hard courts at the Ariake Coliseum in Tokyo in Japan that was part of the International Series Gold of the 2003 ATP Tour and of Tier III of the 2003 WTA Tour. The tournament ran from September 29 through October 5, 2003. Rainer Schüttler and Maria Sharapova won the singles title.

v t e 2003 ATP Tour « 2002 2004 »
Grand Slam events	Australian Open (S, D, X) French Open (S, D, X) Wimbledon (S, D, X) US Open (S, D, X)
Tennis Masters Series	Indian Wells (S, D) Miami (S, D) Monte Carlo (S, D) Rome (S, D) Hamburg (S, D) Montreal (S, D) Cincinnati (S, D) Madrid (S, D) Paris (S, D)
ATP International Series Gold	Memphis (S, D) Rotterdam (S, D) Acapulco (S, D) Dubai (S, D) Barcelona (S, D) Stuttgart (S, D) Kitzbühel (S, D) Tokyo (S, D) Vienna (S, D)
ATP International Series	Adelaide (S, D) Chennai (S, D) Doha (S, D) Auckland (S, D) Sydney (S, D) Milan (S, D) Marseille (S, D) San Jose (S, D) Viña del Mar (S, D) Buenos Aires (S, D) Copenhagen (S, D) Delray Beach (S, D) Scottsdale (S, D) Casablanca (S, D) Estoril (S, D) Houston (S, D) Munich (S, D) Valencia (S, D) St. Pölten (S, D) Halle (S, D) London (S, D) Nottingham (S, D) 's-Hertogenbosch (S, D) Båstad (S, D) Gstaad (S, D) Newport (S, D) Amersfoort (S, D) Indianapolis (S, D) Umag (S, D) Los Angeles (S, D) Sopot (S, D) Washington (S, D) Long Island (S, D) Bucharest (S, D) Salvador (S, D) Bangkok (S, D) Palermo (S, D) Shanghai (S, D) Metz (S, D) Moscow (S, D) Lyon (S, D) Basel (S, D) St. Petersburg (S, D) Stockholm (S, D)
Team events	Davis Cup World Team Cup
Tennis Masters Cup, Houston (S, D)

v t e 2003 WTA Tour « 2002 2004 »
Grand Slam events	Australian Open (S, D, X) French Open (S, D, X) Wimbledon (S, D, X) US Open (S, D, X)
Tier I tournaments	Tokyo (S, D) Indian Wells (S, D) Key Biscayne (S, D) Charleston (S, D) Berlin (S, D) Rome (S, D) Toronto (S, D) Moscow (S, D) Zürich (S, D)
Tier II tournaments	Sydney (S, D) Paris (S, D) Antwerp (S, D) Dubai (S, D) Scottsdale (S, D) Amelia Island (S, D) Warsaw (S, D) Eastbourne (S, D) Stanford (S, D) San Diego (S, D) Los Angeles (S, D) New Haven (S, D) Shanghai (S, D) Leipzig (S, D) Filderstadt (S, D) Linz (S, D) Philadelphia (S, D)
Tier III tournaments	Gold Coast (S, D) Doha (S, D) Memphis (S, D) Bogotá (S, D) Acapulco (S, D) Bol (S, D) Strasbourg (S, D) Birmingham (S, D) Vienna (S, D) 's-Hertogenbosch (S, D) Sopot (S, D) Bali (S, D) Tokyo (S, D) Luxembourg (S, D) Quebec City (S, D)
Tier IV tournaments	Auckland (S, D) Hyderabad (S, D) Sarasota (S, D) Estoril (S, D) Helsinki (S, D) Tashkent (S, D)
Tier V tournaments	Hobart (S, D) Canberra (S, D) Casablanca (S, D) Budapest (S, D) Palermo (S, D) Pattaya (S, D)
Team events	Fed Cup
WTA Tour Championships, Los Angeles (S, D)

Men's singles