Czech player defeats 16-year-old 4-6, 6-3, 6-2 to reach quarter-final

Serb to play 12th-seed Taylor Fritz in his 58th Grand Slam quarter-final

36-year-old enjoyed a storied rivalry with the Swiss great, winning 27 of the 50 matches they played

Belarusian second seed will be on centre court ahead of Serbian superstar to face Czech qualifier Brenda Fruhvirtova

Polish world number one came through 7-6 (7/2), 6-2 against former Australian Open champion Kenin

36-year-old has struggled to reach the latter stages of majors in recent years

Third seed defeats French qualifier 5-7, 6-2, 6-4, 1-0 in challenging conditions

Five-time finalist loses 6-4, 6-2, 6-2 to 30th seed Etcheverry

Sixth seed defeats her 23-year-old opponent 6-3, 6-1 victory to reach second round

20-year-old says he always wants to play against the best players in the world