Prince of Tennis: Doubles no Oujisama (テニスの王子様 ダブルスの王子様), is a tennis and dating game based on the manga and anime Prince of Tennis. It was developed and published by Konami and released for Nintendo DS into two separate versions; Girls, Be Gracious! on March 5, and Boys, Be Glorious! on March 26, 2009 in Japan. It is the twenty game in the series.