Daniel Evans rallied from 0-4 down in the final set to beat Karen Khachanov in the longest match in US Open history on Tuesday, a five-hour, 35-minute epic on court six.

Daniel Evans rallied from 0-4 down in the final set to beat Karen Khachanov in the longest match in US Open history on Tuesday, a five-hour, 35-minute epic on court six.

Novak Djokovic overcame a first-set blip to beat Russian Karen Khachanov 4-6 7-6(0) 6-2 6-4 and reach the French Open semi-finals on Tuesday, staying on course for a record-breaking 23rd men's singles Grand Slam title.

Facts and figures ahead of Friday's Australian Open men's semi-finals (x denotes seeding):

Big-serving Elena Rybakina blasted her way into the Australian Open semi-finals on Tuesday, while Karen Khachanov followed suit in the men's draw after Sebastian Korda suffered a wrist injury.