0 the best performance that someone is able to produce:
"She is running for reelection," said her representative. "Any challengers out there, you better bring your A game."
He's a prosecutor who knows his stuff. You have to have your A game if you're going up against him.
My point is that even if he had his A game going he might have lost.
If they can both take their A games to Centre Court, this is a final of huge possibilities.