THE PRINCE OF TENNIS II HYOTEI VS. RIKKAI GAME OF FUTURE

The new anime will tell an original story, featuring a match between the Hyoutei Academy Secondary Department led by Keigo Atobe and Rikkai University-Affiliated Middle School led by Seiichi Yukimura. The story was previously not depicted in the manga, it takes place after the U-17 World Cup. — Description from AniList community (anilist.co).