Most tennis games still using papers to record player’s performance. However, the papers can only record simple data. Hence, coaches cannot provide precise advices before and after the matches. The need-to-do in the training is also not clear to help players grow. The instant tennis match information system is developed in the study. Through mobile system and simple interface, the match information is classified as serve, return and volley. All related key parameters are recorded and save them in the database. After instant calculation, the precise data will provide to users.