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 may have to beat Jannik Sinner and Carlos Alcaraz to clinch a record-equalling eighth Wimbledon title - but he remains in the hunt after winning on Monday

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.