=== Wozniacki improves to 2-0 in Sofia ===
 
 Sofia,  Bulgaria (Sports  Network) -  Former  world No.  1 Caroline  Wozniacki
 highlighted  Wednesday's round-robin  winners  at the  $750,000 Tournament  of
 Champions.
 
 The  top-seeded Danish star moved to 2-0 for the week with a 6-3, 6-1 handling
 of  fourth-seeded Italian  Roberta Vinci  (1-1) in  68 minutes  on the  indoor
 hardcourts at Armeets Arena.
 
 Wozniacki  will play  her  final round-robin  match of  the  week on  Thursday
 against seventh-seeded Slovakian veteran Daniela Hantuchova (0-1).
 
 Also  on Wednesday  in Sofia, second-seeded Russian Nadia Petrova (1-0) opened
 her week with a 6-3, 6-3 victory over sixth-seeded Chinese Zheng Jie (0-2) and
 third-seeded  Russian Maria  Kirilenko  (1-0)  topped eighth-seeded  Bulgarian
 crowd favorite Tsvetana Pironkova 6-1, 6-4.
 
 Thursday's  other round-robin  affairs will pit Petrova against her compatriot
 Kirilenko and Vinci versus fifth-seeded Su-Wei Hsieh of Taipei.
 
 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 the  eight-woman field. The four-
 player  Serdika Group  boasts Wozniacki,  Vinci, Hsieh  (0-1) and  Hantuchova,
 while  the  four-player Sredets  Group features  Petrova, Kirilenko, Zheng and
 Pironkova (1-1).
 
 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.
 
 
 
 
 
 
 10/31 15:43:05 ET