He suffered two difficult defeats at the hand of an almost god-like opponent. These were lengthy, tough matches, almost like he was fighting in an infinite war.
So he went into hiding and some colleagues of his went to try to get him back into the game but discovered that he had stopped taking care of himself, put on a ton of weight, and spent most of his days playing video games with his buddies.
He may be able to regain his former glory, but first he’ll need to travel back in time to have a heart-to-heart talk with his mother and summon the racquet from his younger years to feel like he’s worthy again. Then he might be able to pull it together for the endgame of his career.