Serena into semis of WTA Championship

Serena Williams of U.S reacts to her win over to Elena Dementieva of Russia during their WTA Tour Championships tennis match in Doha October 29, 2009.(Xinhua/Reuters Photo)
World number one Serena Williams of the United States entered the semi-finals of the WTA Championships here on Thursday with a win over Russian Elena Dementieva.

Her 6-2, 6-4 victory confirmed her as the first player through to the last four at the season-ending tournament.

Her sister Venus, who lost to both Dementieva and Serena in her first two matches, beat Russian Svetlana Kuznetsova 6-2, 6-7 and 6-4 but must wait for Friday's results before knowing whether she will continue her action.

Teenager Caroline Wozniacki of Denmark remained undefeated at the 4.5 million dollars championships after beating Russian Vera Zvonareva in a White Group match.

The 19-year-old won 6-0, 6-7 and 6-4 despite suffering agonising cramps in her left thigh.

Source: Xinhua

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