国际网球联合会：
Ah, the International Tennis Federation! That's the governing body for tennis worldwide, responsible for organizing and regulating all sorts of tennis events, from the Grand Slam tournaments to the Davis Cup and Fed Cup team competitions. They also oversee the rankings and ratings systems for players, as well as enforcing rules and regulations for the sport. It's a pretty important organization for tennis players and fans alike!
网球王子的作者：
您好！《网球王子》的作者是许斐。他是一位日本漫画家，出生于1960年，以其多部运动题材漫画作品而闻名，包括《网球王子》、《足球小将》、《排球少年！！》等。《网球王子》是他最受欢迎的作品之一，讲述了一个少年网球选手在高中网球比赛中成长的故事。希望我的回答能对您有所帮助！