Murray, Evans in GB team
Andy Murray and fellow US Open star Dan Evans have been named in Great Britain's Davis Cup team - but there is only one doubles specialist.
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Murray could therefore be set for a busy weekend in the play-off tie in Croatia later this month - one which comes just days after the US Open final.
In also picking James Ward, captain Leon Smith has veered from his previous selection policy of picking a specific doubles team.
Earlier this year he selected both Colin Fleming and Jonny Marray, who have been playing together on the ATP World Tour this season, with the pair playing a crucial part in victory over Russia, one achieved without Murray, who last played for his country in 2011.
However, on this occasion Smith has chosen only Fleming.
That would suggest he is considering playing Murray alongside his fellow Scot Fleming in the doubles, although a statement from the LTA left the possiblity of a late change to the line-up.
It read: "A second doubles player may travel to Croatia, but that decision will be taken following the US Open and as per ITF rules, two players can be substituted one hour before Thursday's draw."
Smith will wait to see how Murray is after the US Open as the final in New York takes place just four days before the Davis Cup tie begins in Croatia.
Murray could therefore face a dash across the Atlantic, with little time to recover from a two-week Grand Slam event. He will also need to adjust to a different surface as the Croatians have chosen a claycourt on which to play the tie.
The winners will advance to the competition's top tier - the World Group - in 2014.
Announcing the team, Smith said: "We are delighted to be sending our strongest team to Umag in what will be a very tough tie.
"Croatia are former winners of the Davis Cup and currently ranked number 11 in the world, but as we proved in Coventry back in April (against Russia), we can upset the odds.
"The recent success of our players has inspired more people into our sport and this is another great opportunity to do just that."
Both Evans and Ward played starring roles in the victory over Russia, while the former recently reached the third round of the US Open as a qualifier.
His run included victory over world number 12 Kei Nishikori so, given his form, he is almost certain to play in the singles with Murray.
Croatia, as expected, are without their leading player, world number 19 Marin Cilic.
He has not played since Wimbledon. It has been widely reported that Cilic failed a drugs test earlier this season although the International Tennis Federation has refused to comment and his absence from the tour remains officially unexplained.
They will instead by led by world number 38 Ivan Dodig, with Antonio Veic, Mate Pavic and Borna Coric making up the team.