Jannik Sinner has received some helpful advice from Andre Agassi ahead of today's showdown with Alexander Zverev.

His coach, Darren Cahill, revealed: "We spoke to Andre today by coincidence. He's a big fan of Jannik, loves the ways he plays.

"Always hearing words from him about what he sees from Jannik's game and where the improvements are coming from and where he still feels there could be more improvement in Jannik's game.

"Andre is an incredible champion of the game who won eight majors, every major and a gold medal, so Jannik is far from that.

"He's on the way, like a couple of other players as well. There are similarities but they're also very different people."