Fourth-seeded Stefanos Tsitsipas of Greece recorded a 6-3, 6-4 win over Aslan Karatsev of Russia on Tuesday in their second-round match at the Rolex Monte Carlo Masters in Monaco. Tsitsipas smashed four aces en route to dispatching Karatsev in one hour, 24 minutes. He advanced to the third round of the tournament for the second straight edition. “I’m putting (in) hours on the court, trying to become consistent (and) get close to the legends of our sport,” Tsitsipas said. “I am working every