Novak Djokovic reached the Wimbledon quarter-finals for the 16th time but it proved a hard day's work at his Centre Court office as he ground past Australian Alex De Minaur on Monday.The 38-year-old started abysmally and lost the opening set in 31 minutes but eventually gained control of a cagey battle to win 1-6 6-4 6-4 6-4 to keep alive his quest for an unprecedented 25th Grand Slam title.

American Ben Shelton, the No. 10 seed, reached the Wimbledon quarterfinals for the first time Monday with a 3-6, 6-1, 7-6 (1), 7-5 victory over Lorenzo Sonego -- one that also secured him the family bragging rights.