Swiss fights back after being hampered by injuries6-3, 2-6, 2-6, 7-6 (10-8), 6-3 win secures place in semiRoger Federer has had many improbable victories in his career, and a smattering of unusual defeats, but his passage into the semi-finals of the 2020
Australian Open after three-and-half hours of undiluted drama against Tennys Sandgren was in another dimension.

He won 6-3, 2-6, 2-6, 7-6 (8), 6-3 to put the world No 100 away on a warm, sticky afternoon on Rod Laver Arena – but those are the bare bones of the story.