Ryoma Echizen, a young tennis prodigy with many tennis championship wins, lies under his father's, Nanjiro Echizen a former pro tennis player, shadow. He joins the Seigaku Jr. High School Tennis Team, one of the best teams in Japan, who's goal is to become national champions. On the team, Ryoma, with help from his teammates, hopes to develop his own tennis style so he can defeat his father.
During their match, in order to convince the latter to aim higher with his own style of tennis, Tezuka risks his re-injuring his arm by going all out in the match, resulting in Ryoma's defeat. Oishi, who was the sole spectator of the Tezuka and Ryoma match, talks to Tezuka about the outcome and its repercussions. The next day at school, the other team members, grow suspicious when Tezuka and Ryoma fail to appear during team practice two days in a row. Meanwhile, Ryoma asks Nanjiro for a match, in which the latter realizes that Ryoma has changed and will now get stronger.
Tezuka continues to use his left hand, even though he is aware of the injuries he may further sustain.
n Tachibana asks Momoshiro and Ryoma for a tennis date, but the others see it differently.
Through his continuous attempts, Ryoma finally figures out a way to defeat Fuji's counter. Meanwhile, the other regulars continue their own matches, with Tezuka quickly defeating his opponent, Momoshiro. Shortly after, the Seigaku practice matches are cut short due to rain. Unsatisfied with the incomplete match, Fuji and Ryoma continue their duel with each other. However, Ryuzaki puts a stop to it, scolding and lecturing them about the consequences.Watch Now:Amazon
Determined to overcome Fuji's skills, Fudomine's Tetsu Ishida tries a desperate measure to seal Fuji's Tsubame Gaeshi by using a hit of considerable strength called Hadokyu. When he aims it directly toward Fuji, Kawamura decides to get in its way when he realizes that Fuji would not be able to return it. Hoverer, though he succeeds in returning it, he hurts his wrist in the process, forcing Seigaku to forfeit the match.
Thanks to Eiji Kikumaru's acrobatics and Shuichiro Oishi's ability to adapt to his partner's style, Seigaku's "Golden Pair" wins their doubles match easily. Next is the game between Kaido and Kamio Akira, where Kaoru's Snake shot turns out to be ineffective against the speed ace from Fudomine. In a moment of desperation, Kaido inadvertently performs a near impossible shot around the net's pole, which is then dubbed the Boomerang Snake.Watch Now:Amazon
Impressed with his determination, Tezuka gives Ryoma ten minutes to finish the game, after which he will forfeit the match. In the end, Ryoma manages to overcome Ibu's "spot" and wins the match right before his alloted time had ended. With Ryoma's win, Seigaku wins the tournament, and after tending to his wounds, the Seigaku regulars celebrate in Kawamura's sushi restaurant.Watch Now:Amazon
Kunimitsu Tezuka, Seigaku's captain, faces off against Atobe, while Oishi reminisces about his promise to Tezuka: they would take Seigaku to the Nationals; and how Tezuka's arm was injured when they were first years.Watch Now:iTunes
Nanjiro Echizen finds a letter from Ryuzaki and remembers the days when he trained under her as a Seigaku regular. Meanwhile, Ryoma's opponent, Shinji Ibu, shows his skills when he is able to return Ryoma's Twist Serve, as well as his revealing his own serve, the Kick Serve, which is similar to the Twist Serve. Ryoma then switches to his left hand, and the game heats up between the two player's serves.Watch Now:Amazon
Akutsu's unique playing style continues to overwhelm Ryoma. Meanwhile, Kawamura reminiscences about Akutsu's violent history, where Akutsu is shown to have always been talented in physical activities. Though Ryoma believes he has finally found a way to overcome his opponent's unique style and score, Akutsu shows his potential as a tennis player. Despite it, Ryoma's determination allows him to finally score a point against Akutsu. As the match continues, Ryoma is finally able to adjust to Akutsu's style.Watch Now:Amazon
Atobe and Tezuka continue the match, and enters a long tie-break, until Atobe finally wins. Ryoma then plays the last match against Wakashi Hiyoshi, and wins with his Drive B.
Ryoma finally breaks the Tezuka Zone, but still loses in the end. Tezuka leaves for Germany.
Fudomine Middle School, an unknown team that withdrew from last tournament for internal affairs, is Seigaku's next rival. In the first game, Seigaku's Shusuke Fuji and Takashi Kawamura find themselves struggling against the first Fudomine pair, forcing Fuji to use one of his Triple Counters, Tsubame Gaeshi, a technique that causes the ball to roll rather than bounce once it reaches the opponents' side of the court.
Kaido desperately tries to recreate the Boomerang Snake, but he eventually stops his attempts when he decides to just play his style of tennis. With neither side yielding, Kamio's and Kaido's game becomes an endurance match. However, in the end, Kaido's willpower and persistence outlasts Kamio's stamina. Also, Momoshiro learns the identity of the girl he has been recently running into, who turns out to be Fudomine's player-coach and Kippei Tachibana's younger sister, An Tachibana.
Akutsu wreaks havoc in Seigaku, attacking Kachiro and Arai. Ryoma intervenes, and when Akutsu throws a rock at him, he is able to hit it back with his racket. However, when Akutsu throws several rocks at him, he gets injured in the process. When the regulars later spot Kawamura and Akutsu having a secret meeting, they are surprised to find that the two have known each other since childhood.Watch Now:AmazoniTunes
While making their way to their match against Yamabuki, some Fudomine players get into a car accident. Though they make it to their match, the trauma of the accident makes them unable to play at full strength against their opponents. After hearing about the accident from Akutsu, Fudomine's captain, Kippei Tachibana, has his team forfeit the match. Meanwhile, scared of being completely defeated, Seigaku's opponent willingly forfeits their match, so Seigaku faces their next opponent, Yamabuki.Watch Now:Amazon
With Ryoma one point away from winning the match, the two, who are now on even footing, continue to struggle against each other. However, in the end, Ryoma's spirit and overwhelming potential help him win in the match, and would also win Akutsu's grudging respect. To everyone's surprise, Akutsu then announces his retirement from tennis. After the tournament's ceremony, Taichi Dan is inspired to become a tennis player by Akutsu and Ryoma.Watch Now:Amazon
Momoshiro knocks out the St. Rudolph player Yanagisawa when his Dunk Smash accidentally hits the player, thus Seigaku wins doubles 2 by default. Eiji and Oishi, the famed Golden Pair, takes to the courts against St. Rudolph's Ichirou Kaneda and its captain, Yoshirou Akazawa. In the match, Mizuki's information helps the St. Rudolph pair tire out Eiji, which is when Oishi reveals his famed technique, the Moon Volley, which can land directly on the baseline.Watch Now:AmazoniTunes
Nanjiro tricks Ryoma into teaching Sakuno and Tomoka tennis. While trying to teach the two girls tennis, however, Sakuno accidentally disrupts the practice of a school team. In order to help, Ryoma defeats the entire team, not knowing that they are one of Seigaku's next opponents, Ginka. Unbeknownst to them, Yamabuki's Jin Akutsu, who was planning to beat Ginka himself, is observing the entire event.Watch Now:AmazoniTunes
During training, the regulars end up running laps. When Inui announces that the last person to cross the finish line has to drink his new drink. Determined not lose, they all end up finishing at the same time. Later, Ryoma and Fuji face off in a practice match, where the two decide to go all out. During the match, Fuji reveals his second Triple Counter, the Higuma Otoshi (Bear Drop), which is able to counter Ryoma's smashes, but the latter is determined to find a way to defeat it.Watch Now:iTunes
After Momoshiro and Eiji beat their opponents, Sadaharu Inui and Kaoru Kaido play against Ryou Shishido and Choutarou Ohtori pair. To start off the match, Ohtori shows them his Scud Serve, a super fast serve verging on 200 km/h. Since the serve was not in Inui's data, the pair has difficulty in trying to return it.Watch Now:iTunes
Fuji shows the last of his Triple Counter, Hakugei, and defeats Jirou.Watch Now:iTunes
The Kaido/Wakato match goes to a tie-break and Kaido must overcome his fiercest opponent - himself.Watch Now:iTunes
Ryoma accidentally packs his cat's [Karupin's] favorite toy in his tennis bag, so Karupin follows him to school and explores the grounds. When Ryoma finds out his cat is on campus, he rushes to find him, worried about what may become of him. After finding out that Ryoma has been relentlessly searching for his cat, the other members help him in his search, eventually helping him find Karupin.Watch Now:iTunes
With his Rising shot and Twist Spin shot, Yuta is able to dominate the match, but Ryoma continues to find a way to counter the combination. After he advises Yuta to not use his Twist Spin shot anymore, Ryoma unveils his new move, Drive B, a technique that bounces in a B shape, to counter Yuta's technique. With it, Ryoma is able to win the match. The ruthlessness of Mizuki is revealed as he is shown to be the one who taught Yuta the Twist Spin shot, despite knowing that it can cause major damage to the user's arm.Watch Now:AmazoniTunes