Duel at the Riverbank! (河川敷の決闘！, Kasenjiki no kettō!) is the 7th episode of the Inazuma Eleven series.
Raimon are training hard for their next game in the Football Frontier, and people are beginning to spy on them; including their next opponents - Mikage Sennou Junior High. The trouble is Mikage Sennou have them all figured out, and if Raimon want to beat them they have to move up to the next level!
The episode start with the simulation Training of Mikage Sennou. They are getting data of Raimon to win of them. Later on the day, Raimon is training at the Riverank. Then they spotted many fans on the bridge. Endou says to everyone to show them hissatsu. Then Natsumi's car came the field on and Natsumi says that practicing them hissatsu is forbidden. Endou asks why they can't. Natsumi says that those fans are spies. Everybody is shocked about it. That night Sugimori and Arata spoke with Kidou.
The next day Sugimori and Arata are spying on Raimon. They find out that they aren't using their hissatsu and they ask why. Then Endou challenges them for a match. The match starts and Arata is using Fire Tornado, which everyone is shocked about it. Endou is using Nekketsu Punch but failed to block it. Later Gouenji is using his Fire Tornado against Sugimori but he stops it with his Shoot Pocket, which Raimon is also shocked about it aswell.
Later Natsumi is leading them to the Secret Training Facility to show everyone that they can do better training there. When the training is over, everyone was exhausted but Endou says that they should training every day until the match in the Secret Training Facility and Domon says he doesn't want to go back to the Training Facility in which he ended up going back to it.
When it is the day of the match, Raimon was surprised about the Stadium. At the end, Endou and Sugimori has a talk.
[Endou Mamoru] If we overcome this training, we'll find a new path ourself!