Tennis: Stosur and Zvonareva into semis
S. unfasten inside September.STORY HIGHLIGHTSSamantha Stosur books her place here the semifinals by the side of the WTA ChampionshipsStosur crushes Chinas Li Na 6-1 6-0 to sign up gathering with Petra KvitovaVera Zvonareva to appearance Victoria Azarenka here the other semi afterward Agnieszka Radwanskas defeatRadwanska fails here her tender to do endure four afterward a straight sets defeat by Kvitova U.S. candid champion Samantha Stosur stormed into the semifinals of the season-ending WTA Championships later than crushing Chinas Li Na 6-1 6-0 dressed in Istanbul.Australian Stosur claimed the winner-takes-all contest featuring in in a minute 66 minutes, handing French exposed champion Li her heaviest Tour defeat since a loss to Nadia Petrova featuring in 2008.