Cilic's 33 Aces Put Him in 1st French Open Semi At Age 33
Paris (AP) -- Marin Cilic is 33, nearly eight seasons past his one Grand Slam title at the 2014 U.S. Open — and, until Wednesday, more than four full years removed from his most recent trip to the semifinals of a major tournament.
If he keeps serving like this, there's no reason to think about quitting tennis anytime soon.