Italy's Sinner and Paolini in Wimbledon semi-final bid

The quarter-final stage of Wimbledon begins at the All England Club on Tuesday.

World number one Jannik Sinner takes on Russian fifth seed Daniil Medvedev while Spanish third seed Carlos Alcaraz is up against American Tommy Paul.

Qualifier Lulu Sun faces unseeded Croatian Donna Vekic in the women's draw, with Italy's Jasmine Paolini playing American 19th seed Emma Navarro.

Here are the latest results and highlights.

TOP MEN'S MATCH: SINNER V MEDVEDEV

Sinner and Medvedev's meeting is a repeat of this year's Australian Open final, where the Italian came from two sets down to win his first Grand Slam.

Both had their best run at Wimbledon last year when reaching the semi-final stage but only one can match that this year, and while Medvedev has the slightly better head-to-head record, Sinner has recent form on his side.

This will be their 12th meeting, and after Medvedev won the first six matches, Sinner has now won the last five and this will be their first clash on grass, where the world number one is unbeaten this year.

Sinner had the perfect Wimbledon warm-up when winning Halle last month, his fourth title this year, whereas the Russian went out in the second round.

TOP WOMEN'S MATCH: PAOLINI V NAVARRO

Italian 28-year-old Paolini is having her best ever season, and will look to continue breaking new ground against Navarro, who is also having a year to remember.

Neither player had previously made it past the first round at Wimbledon but both will be brimming with confidence as they aim for a semi-final spot where they would face an unseeded player and the perfect chance of a place in the final.

Paolini had never reached the third round of a Grand Slam before making the Australian Open fourth round this year and followed that up by