He was slowing down, and he knew it. His body wouldn't take much more. Usually by now he and Yui would be wrestling on the tatami and trying to claw each other's skin off as they fucked. He was desperately in need of an intenser fitness routine apparently.
Rolling he crouched and wished half heartedly for the weapon he'd have under normal attack conditions. But that would be dishonorable in a spar.
He relaxed and waited for the other man to pin him. Sometimes, discretion was the better part of valor.