Tanaka Jun is fifth-grader and midfielder of Momoyama Predators.
Tanaka has black short hair and slanned eyes.
He and Kubota Shunya played in Momoyma Predators last year, but when Predators was disabanded they moved back to fifth-graders team. After that they were selected to district training center, where they improved their skills.
Tanaka first apperead in Episode 6 with Kubota, when they were moved from fifth-graders team to Momoyama Predators. He and Kubota protested when Furuyas were annoyed for needing fifth-graders help. He said that they had been chosen for distric training center. That didn't convince Furuyas, but with help from Shou he befriended with rest of the team. He played in Momoyama at all of their matches until after losing against Amarillo he was needed again in his old team.