Eiichirō arrives in Florida, and Coach Mike introduces him to Marcia, an upcoming junior whose older brother just made the Pro's. Marcia and Eiichirō play a match, and Marcia decides Eiichirō must be training for the French Open because of his slow play style. Eiichirō is introduced to his new dorm mates, among which are Alex O'Brien, the older brother of Marcia. The next morning at breakfast Eiichirō is welcomed by Ike Souji, and his dorm mates begin to see him as a rival since Ike acknowledged him. Eiichirō's dorm mates are introduced to his 39 notebooks of tennis. Eiichirō and Alex are announced as a match for day one, but Alex refuses since Eiichirō isn't a Pro. Ike arrives and promises Eiichirō's dorm mates that anyone that can beat Eiichirō will be able to play him in the next two weeks. Eiichirō plays Alex in his first official match at the Florida Tennis Academy. During the day he learns about the video cameras showing his technique and the resources of the many coaches available.

Eiichirō begins closing the gap on the others at the Florida Academy, but during everyone of his matches he has one moment where he presses too hard, costing him a set and eventually costing him the match. Coach Mike takes Eiichirō to the video room and points out this pattern. He suggests Eiichirō find a way to remain calm during the match. If he can do so, he'll be able to reverse this tide. During one match Eiichirō accidentally trips, but while error costs him a point it awakens him to the world of repetitive patterns in tennis. By using a pattern he finds in the match, Eiichirō is finally able to win his first set in America.

After winning his first match in America, Eiichirō finally gets to play Ike in a one set match. Ike gets it approved at the New Years party where many of Eiichirō's new friends first learn of Natsu. Eiichirō plays Ike and begins to collect data on what the players in the world of the Pros is like. On his final day in Florida the coach proposes Eiichirō and Alex play a 3-set match. Alex learns how fearsome the notebook can be as he is forced to change his play pattern after Eiichirō breaks him twice. Eiichirō wins Set One 6-2

In his final day in Florida Alex agrees to play a best-of-3 match with Eiichirō. Alex realizes that Eiichirō's notes contain all of his weaknesses and that he will have to adjust his play style to win the match. Alex willingly loses the first set to get used to a new stroke, and Eiichirō is unable to fully take advantage of it in his data. As Alex's play style continues to evolve, Eiichirō realizes he will need to hit easy shots at the Pro to grow the most and find a new weakness.

Eiichirō returns from Florida and is given a day off to adjust his body to the time difference. After the day off Eiichirō begins a new strict training regime to help him get ready for the Kanagawa Prefectural. As part of his training Coach Aoi forces Eiichirō to challenge Takuma to a match. At first Takuma refuses, but when Eiichirō admits he can never go pro unless he can find a way to defeat Takuma, Takuma agrees to the match. At first Eiichirō is overwhelmed by Takuma's serves. As the game goes along though Eiichirō begins to serve like Takuma, shocking Coach Aoi. Coach Aoi stops the match unexpectedly, upsetting both Eiichirō and Takuma.

Coach Aoi explains to Eiichirō that he stopped the match against Takuma because his body wasn't developed to serve like Takuma yet. If he had continued to serve that way, he would have injured himself and forced himself to give up his tennis career. In order to use his new weapon of serving Eiichirō is given strict training that will develop his arm muscles and increase his speed. At school the career counselors call for all seniors to determine their future careers, and Eiichirō lists his desire to go Pro, noting that he will turn to college if he doesn't win the All-Japan Junior.

The Kanagawa Prefectural begins as Eiichirō faces off against Araya's new underclassman Nishimura. Araya has told Nishimura all of Eiichirō's weaknesses from the year before, making Nishimura very confident in his chances of winning. To counter this knowledge Eiichirō debuts his new serve and wins easily 6-0. Eiichirō then goes to scout Miyagawa, knowing he will be his second round opponent, but he arrives just in time to see the final point as Miyagawa wins 6-1, giving neither the knowledge of each other's growth in the past year.

Eiichirō and Miyagawa face off in the second round of the tournament for their second match. If Eiichirō loses he knows he'll lose all chance of going pro. If Miyagawa loses he knows his path to become a pro will take longer and might force him to go to college first. As the two face off both unveil their new weapons. For Eiichirō he unveils his dangerous serve while Miyagawa unveils some new counters that will force Eiichirō to adjust his data in unexpected ways. How many breaks can each get off of each other?

Coach Ryuhei Aoi decides to teach Eiichirō the importance of relying on instincts during a match instead of relying solely on data. In order to teach him how to play against a player who relies solely on instinct Eiichirō is forced to face off with Natsu. Eiichirō takes the words that he can play at full strength to hearts content though and starts using the data he's collected in his head to target all of Natsu's small weak points.

Araya and Eiichirō begin their match in the Kanagawa Prefectural Final. At first both are holding serve and the score is at 3-3. However Coach Aoi realizes Eiichirō doesn't have the knowledge on how to deal with left handers since he's only played Araya once. Araya starts to target Eiichirō's backhand. To counter Eiichirō is forced to continually adjust his speed, making his center shots an easy target for Araya. Araya gets the first break and goes on to win set 1 6-3. However Eiichirō begins to return Araya's shots as the first set ends, making Araya realize Eiichirō is growing as fast as Ike previously did. Both realize they have to find a way to get massive breaks if they are to have any chance of winning.

Eiichirō throws out a couple of unexpected dropshots in set 2 and begins to alter the speed of his game. After trailing 30-love to begin match 2 of set 2 Eiichirō is able to rally with this new strategy and pull off a break. The break begins to build up Araya's frustrations, but instead of getting angry Araya yells at the sky and is able to calm down. Eiichirō stuns the crowd and wins set 2 6-3 to set up a third and final set. Araya acknowledges that Eiichirō's strategy is allowing him to address his weaknesses and actually get stronger as the game goes on. Over on the women's side Natsu easily wins the women's title 6-2, 6-0.

Araya and Eiichirō prove to be even and are both unable to break each others serve. Making things worse is there will be no tiebreaker., Instead an individual must win by 2 games. As set 3 continues Eiichirō begins to rely more and more on his instincts as his mind tires, and it begins to give Araya the slightest advantage. Eiichirō realizes if he doesn't break Araya when it is 6 all that he will likely tire and lose the match. Even that knowledge doesn't prove to be enough. Araya holds serve and goes up 7-6. Eiichirō then holds serve and evens it up at 7, but his mind completely wears itself out, and Araya goes on to win 9-7.

The gang begins their third and final year of high school in different classes. Eiichirō and Natsu both realize their classes seem to be moving on without them as they are getting ready for cram schools and entrance tests. STC has their own sort of ideas though. The top clubs in Japan have gotten together and decide to have their top players rotate between the top clubs. Included in the group is Eiichirō, and Natsu's top rival is also involved. The practices allow Eiichirō to focus on changing pace at all times and give him more experience. The bracket for the All Japan Junior is announced, and in order for Eiichirō to continue his goal he'll have to defeat the fifth seed. As the episode ends Takuma arrives back at STC. He had advanced to the Top 8 in Japan and is signing a bunch of contracts. Eiichirō challenges him to finish their match. Takuma agrees but points out he is headed over seas next week, so they'll have to do it as soon as the signings are done.

The final door on the way to the All-Japan Junior, the Kanto Junior Tournament, is just around the corner. Eiichiro psyches himself up as he confirms his promise to his parents that he'll give up if he doesn't win the All-Japan Junior, and then he sets off with the other STC members for Chiba, where the Kanto Junior will be held.

The Kanto Junior Tennis Tournament begins at last, and Eiichiro is facing Yakabe Tadanori in his first match. Although he had watched videos of Yakabe's matches from a year ago, Eiichiro is bewildered by his opponent's much taller stature and completely different play style, and all the unexpected factors lead him to consider blanking all his mental data and starting from scratch.

Eiichiro is stunned by all the cheering Ide receives as their match begins. He struggles with the unpredictable plays of the intuitive Ide, but he recalls what he learned in his match with Natsu and concentrates on watching his opponent. Meanwhile, Ide also struggles to keep up with Eiichiro's constant changes in tempo and starts to tune out the world as he tries to focus.

Ide's remarkable ability to adapt instantly to everything has Eiichiro struggling, and reads his notes again to regain his focus. This improves his movements and leads to more impressive rallies, making the match even more exciting. Neither is willing to yield as the match comes down to which player can manage to hold serve...

Eiichiro thought he was successfully ignoring the crowd's roaring cheers for Ide, but his body was reacting to it more than he realized. The pressure of playing in front of a dramatic, Ide-centric crowd is troubling Eiichiro. What can he do to overcome this situation? Eiichiro wrote down the pressure he felt in his notebook and tries to face the details he has been ignoring. Ide is on his game as his crowd cheers on; what will lead to Eiichiro's road to victory?!

Eitaro, upon winning spectacularly in his fight against Ide, decides to go to the National Junior's. Coach Aoi explains that towards the end of the match, Eitaro was completely in the zone.

The match against Takagi begins. Just as Yukichi warned, Takagi's style is unique.

Even if it seems to lack etiquette, Takagi's play style continues to work in his favor by disupting his opponent's pace. Eiichiro struggles to deal with Takagi's tactics. He tries to use his anger to his advantage, but he isn't successful. Eiichiro tries to remain calm and rational but this leads to a time-warning issued by the referee...

After beating Takagi, Eiichiro moves onto the semi-finals as does Natsu in the women's division. Eiichiro becomes aware of new feelings towards Natsu while watching her match. The next match is against the top tennis player, Nabae who has no physical or psychological weaknesses. While Eiichiro is troubled by what strategy to use, Takuma reveals Nabae's childhood weakness to Eiichiro. The battle against Nabae, the greatest opponent is about to begin!

The match has just begun and Eiichiro is already close to being in the zone. His excellent condition is reminiscent of his match against Ide; Eiichiro doesn't give Nabae a chance to fight back and soon takes the lead. Nabae is surprised at Eiichiro's aggressive play but remains calm and collects data by carefully analyzing Eiichiro's moves and attack patterns. However, Eiichiro's momentum is relentless. It seemed like he would take the first set when... l

The match between Eiichirou and Nabae finally reaches its thrilling climax, and the former risks losing to envision his victory.

The game finally reaches its final stage. Eiichiro who desperately envisions a vision to win Nambae and is ready for a new strategy with the intention of losing. Nambae, who determined that Eiichiro when it was driven down from the past data, was dangerous, tries to strike early.