Andy Murray 'must summon up one last effort' - Sportsmail's Mike Dickson previews Great Britain's Davis Cup final day

  • Great Britain lead Australia 2-1 going into final day
  • Andy and Jamie Murray won doubles to put hosts ahead
  • Andy Murray must win his reverse singles to secure place in final 

Andy Murray will play the crucial match of Great Britain's Davis Cup semi-final against Australia after he and his brother Jamie put the hosts 2-1 ahead on Saturday.

Murray does not yet know his opponent for Sunday's reverse singles, but the pressure will be on him to win before world No 300 plays in the second match of the day.

Sportsmail's Mike Dickson looks ahead to the final-day showdown, and the permutations if Britain are successful. 

The comments below have not been moderated.

The views expressed in the contents above are those of our users and do not necessarily reflect the views of MailOnline.

By posting your comment you agree to our house rules.

Who is this week's top commenter? Find out now