Australian Open, Day 10: Djokovic and Alcaraz light up the night sky

George Bellshaw and James Gray look back at a thrilling day - or specifically, night - of tennis at Melbourne Park

• Novak Djokovic beat Carlos Alcaraz in an instant classic across four sets
• Djokovic had treatment for a left leg injury, thought to be groin or hamstring, but rallied from losing the first set to triumph just before 1am in Melbourne
• How will he pull up to face Alexander Zverev, who beat Tommy Paul, in Friday's semi-final?
• Aryna Sabalenka outlasted Anastasia Pavlyuchenkova in a wind-swept semi
• Coco Gauff produced 41 unforced errors in just two sets, mostly on her forehand, as Paula Badosa became a shock semi-finalist

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