25th Ryu-O sen
15 2012 - 29 2012

Maruyama Tadahisa vs Watanabe Akira (159 moves)
Game 1 (Kakugawari)
Watanabe Akira vs Maruyama Tadahisa (126 moves)
Game 2 (Kakugawari with one tempo loss)
Maruyama Tadahisa vs Watanabe Akira (156 moves)
Game 3 (Kakugawari)
Watanabe Akira vs Maruyama Tadahisa (148 moves)
Game 4 (Kakugawari)
Maruyama Tadahisa vs Watanabe Akira (174 moves)
Game 5 (Kakugawari)