( CNN ) -- Second seed Andy Roddick is forced to retire with an ankle injury during the first set of his Queen 's Club semifinal against fellow-American James Blake , meaning he misses out on a final showdown against British top seed Andy Murray . Andy Roddick feels his ankle injury before retiring from his semifinal against fellow-American James Blake . Roddick , who was bidding for a record fifth title at the London grass-court tournament , injured his right ankle when he slipped at the back of the court in the fourth game of the first set . He eventually called for treatment three games later and resumed only after having his ankle and foot heavily bandaged . However , Roddick was clearly still in some discomfort as he served in the next game and decided to take the safety-first option with Wimbledon starting in just nine days . `` I 'm going to do everything I can to play at Wimbledon , '' Roddick told Press Association Sport . `` We 're scheduled to get it looked at again on Monday and do some scans on it , then we 'll see where we 're at . `` Initial tests have shown the stability and strength is OK. We 're looking at days , not weeks . My trainer and doctors do n't think anything is torn . '' Blake , beaten in the 2006 Queen 's final by Lleyton Hewitt , admitted he did not take much pleasure from this victory . Speaking after the match , Blake said : `` It was unfortunate but Andy is such a great player and he does n't want to endanger the injury anymore . He normally moves so well and you could tell this was n't the same Andy Roddick . '' Meanwhile , Murray swept into his first-ever Queen 's final with a ruthless 6-2 6-4 win over unseeded Spaniard Juan Carlos Ferrero . Murray is bidding to become the first Briton to win the pre-Wimbledon warm-up event since Bunny Austin in 1938 . The world number three has not dropped a set in four matches and , in reaching his fifth ATP Tour final this year , he also becomes the first British finalist here since Tim Henman in 2002 . `` I felt it was a good match . I started well but the second set was very close , '' Murray said in a courtside interview after the match . `` I 'm obviously happy to win in two sets . I was very happy with the way I played all round . `` I did n't have the easiest draw so it 's been a good week all around and hopefully I can finish it off on Sunday , '' added the Scot . In the other men 's grass-court tournament being played , second seed Novak Djokovic is through to the final in Halle after a 7-6 6-4 victory over Belgian Olivier Rochus . The Serb will now face unseeded German Tommy Haas , who defeated compatriot Philipp Kohlschreiber 2-6 7-6 7-6 in an epic encounter . Meanwhile , in women 's action , Maria Sharapova crashed out in the semifinals of the Birmingham grass-court event , beaten in straight sets by China 's Li Na . Russian Sharapova had been bidding for a third victory in the tournament , after winning in both 2004 and 2005 , but went out 6-4 6-4 in a match lasting 90 minutes . Fourth seed Li , the highest-ranked player left in the competition , will face Magdalena Rybarikova in the final , after the 13th-seeded Slovakian beat Indian Sania Mirza 3-6 6-0 6-3 .
Andy Roddick forced to retire from his Queen 's Club semifinal with ankle injury . The injury means fellow-American James Blake will face Andy Murray in final . TL;DR