Two doors
OVA series: The Nationals Arc Doubles 1 turns into a singles match when Tezuka and Chitose decide to duke it out. Inui and Zaizen step aside for their respective captains (Tezuka and Chitose). After Chitose takes the first game with his "Saiki Kanpatsu no Kiwami," Tezuka decides to show Chitose his true power, revealing that he has opened the 2nd door of Muga No Kyōchi. In the end, Tezuka wins with a victory of 6-1. Meanwhile Rikkaidai has a few problems with their opponent Nagoya, and Akaya Kirihara, drenched in blood, has been hit all the way back to fence, making a huge dent...
Aired 25/01/2008EP 5 - Two doors

Tennis no Ouji-sama: Zenkoku Taikai-hen Semifinal
The National Tournament continues for Ryouma Echizen and the Seishun Academy Boys' Tennis Team as they face off against last year's semifinalist, Shitenhouji Middle School. As winners of the Kansai Regionals, Shitenhouji is one of the top contenders to win this year's tournament. What's more, each member of the Shitenhouji team has skills that are said to surpass their Seishun counterparts. Shitenhouji also has Kintarou Tooyama, another "super rookie" who rivals Ryouma in strength and technique. Seishun will have to push the limits of their abilities to stand a chance at defeating the Kansai champions in this East versus West matchup.