John McEnroe was highly critical of Novak Djokovic's performance during the early stages of his Wimbledon fourth-round clash with Alex de Minaur.

Novak Djokovic was blown off the court by Alex de Minaur in the first set of their last-16 clash at Wimbledon, with John McEnroe making an astonishing prediction

Djokovic served four double faults, directed less than half of his first serves in, won only 18 per cent of the points on his second serve and racked up a whopping 16 unforced errors during a first half-hour which had the Centre Court crowd in shock.