Well, I think any member of the G-10 could be good enough to return it (yep, even Mouri, and maybe even Fuwa and Date) so I don't think it's too crazy to imagine Ochi can return it yeah.
Oishi can't return it without a doubt so we kinda have the same situation as in the last game (except that Oishi can actually do something). But in the end if they manage to break Tooyama's serve and if Mental Assassin takes him or Nakagauchi out, it should be over.
---------- Post added at 10:41 AM ---------- Previous post was at 10:37 AM ----------
Tennis or not, if we're translating the moves from the series into Volleyball, it works out even worse for Ochi.
Since its a ridiculously powerful smash and you can't let the ball bounce so Ochi has to take that Super Mountain serve straight on. As long as Kintaro hits it at Oishi then its game-set.
Oishi is a weak-wristed guy. So the moment it becomes Kintaro's serve, it could potentially be over.
True... but volleyballs are also bigger, which might decrease the damage inflicted. Also, you don't defend with your wrists in volleyball, you use your forearms (unless Oishi has to dive into the serve or something, but that would be suicidal)