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                  === Wozniacki secures semi berth at TOC ===
 
 Sofia,  Bulgaria (Sports  Network) -  Former  world No.  1 Caroline  Wozniacki
 went  3-0  in her  round-robin matches  this week and  will play in Saturday's
 semifinals at the  $750,000 Tournament  of Champions.
 
 The  top-seeded  Danish star overcame seventh-seeded Slovakian veteran Daniela
 Hantuchova 3-6, 7-6 (7-4), 6-4 on the  indoor hardcourts at Armeets Arena. The
 winless Hantuchova is 0-2 in round-robin play heading into Friday.
 
 Wozniacki captured this week's four-player Serdika Group.
 
 "I  played solid  and served  very well.  I am  pleased with  my performance,"
 Wozniacki said.
 
 Meanwhile, second-seeded Nadia Petrova moved to 2-0 with a 3-6, 7-6 (7-4), 6-3
 comeback  victory  against ailing  third-seeded fellow Russian Maria Kirilenko
 (1-1)  and  fourth-seeded  Italian  Roberta Vinci  (2-1)  pasted  fifth-seeded
 Taiwanese  Su-Wei Hsieh  6-1, 6-2 in 53  minutes in the Day-3 nightcap to join
 Wozniacki in the final four.
 
 Kirilenko  promptly pulled out of the field after losing to Petrova, citing an
 upper respiratory illness.
 
 On  Friday  in Sofia,  Petrova  will  take  on eighth-seeded  Bulgarian  crowd
 favorite  Tsvetana Pironkova  (1-1),  Hsieh (0-2)  will  meet Hantuchova,  and
 sixth-seeded  Chinese  Zheng  Jie  (0-2) will  face  Swedish  alternate  Sofia
 Arvidsson, who replaces Kirilenko in the Sredets Group. Petrova and Pironkova,
 like  Wozniacki and  Vinci, have  also qualified  for the  semifinals and  the
 winner on Friday will capture the Sredets Group.
 
 The  Tournament of Champions is the finale for the WTA's International Series,
 with  the six  highest-ranked players who have won an International title this
 year   --  and  two  wild  cards  --  comprising  an  eight-woman  field.  The
 aforementioned  Serdika  Group boasts  Wozniacki, Vinci, Hsieh and Hantuchova,
 while  the  four-player Sredets  Group now  features Petrova, Zheng, Pironkova
 and Arvidsson (0-0), following Kirilenko's withdrawal.
 
 The  tournament  format sees  two round-robin  groups play  out over the first
 four days, with the semifinals on Saturday and the final on Sunday.
 
 
 
 11/01 18:05:27 ET