A fully automated system has replaced human line judges at Wimbledon for the first time this year, in line with the Australian Open and the US Open. But there have been a number of glitches and concerns raised by other players about the technology, including British stars Emma Raducanu and Jack Draper.

Two-time defending champion Carlos Alcaraz reached the Wimbledon semifinals by beating Cameron Norrie 6-2, 6-3, 6-3.

Carlos Alcaraz said ahead of his Wimbledon quarter-final against Cameron Norrie that playing the left-handed British player can be a nightmare and for a few minutes it looked as though the defending champion might be in for a fright on Tuesday.