Read New Prince of Tennis Manga Chapter 89

Chapter 90

The purported advertisement from the Jump Square issue says that everything in The Prince of Tennis up to now has been a "prologue" and that "a new legend for Ryoma and the others will begin."
50 middle school players have been invited to participate in the All Japan U-17 Selection Camp. Ryoma Echizen returns from the U.S to join his teammates and rivals.