World number 12 Alexander Zverev says he is full of confidence as he prepares to go deep into week two at Wimbledon.

The 20-year-old is one of a number of young stars to have emerged on the circuit over the last year, although he has yet to prove his ability at Grand Slam tournaments.

However, he is enjoying his best run at a showpiece event this summer having booked his spot in round four at SW19 following a convincing 6-4 6-4 6-2 win over Austrian Sebastian Ofner.

Zverev has yet to drop a set at Wimbledon and will now take on Milos Raonic, who he beat on course to the Italian Open title earlier this season, in the last 16 on Monday.

"Of course it's nice to reach the fourth round but this is not the goal that somebody sets themselves, 'Oh, I want to be there fourth round and then that's it'," said Zverev.

"Obviously I want to keep playing good tennis and keep getting up there.

"You have to take confidence from the previous matches. I haven't lost a set yet. That's got to give me something.

"Hopefully I can take a little bit out of that Rome match, but obviously this is a completely different surface and different circumstances. He's been (in the) final here. I'm going to expect him to play very, very well."