RyomaMomoDoubles.jpg|The start of the Ryoma and Momoshiro's "AH-UN" doubles strategy. AH.jpg|Momoshiro yelling out "AH" UN.jpg|Ryoma replying with "UN." RyomaMomoAHUN.jpg|Momoshiro returning the shot. The AH-UN strategy is a doubles strategy used against Gyokurin during Seigaku's first districts match by Doubles 2 pair Ryoma and Momoshiro, helping them win the match. However, according to Coach Ryuzaki, Ryoma and Momoshiro were doing it wrong- the real AH-UN strategy was demonstrated by Kikumaru and Oishi in their Doubles 1 match against Fudomine.