Matches against the first string's No. 11 through 20 begin. Yanagi faces off against No. 17 Mitsuya. To Inui's surprise, he calls Mitsuya "Akuto-niisan." Mitsuya is the man who taught Yanagi Data Tennis when he was younger. Though it's a battle between two powerful Data Tennis players, Inui senses something is off when he sees Mitsuya toying with Yanagi...
Meanwhile, Momoshiro and Kenya battling the No. 18 Hira and No. 19 Hara Shitenhoji OB doubles team find themselves struggling against their opponents' unique rhythm.
You've grown a lot since I last saw you.
Has crecido mucho desde 
la última vez que te vi.
Você cresceu muito desde
 a última vez que te vi.