BEIJING, Jan. 21 (Xinhua) -- Eighteen-year-old Guo Yue retained her women's singles crown at the Croatian Open in Zagreb, beating Chinese national teammate Wang Nan in full seven games, the ITTF said on its website on Sunday.

At the grand final on Saturday evening, Guo Yue won 11-6, 11-9,2-11, 11-13, 11-7, 8-11, 11-4 for her fourth singles title of career on the ITTF Pro Tour.

She won her first in 2003 at the Japan Open, then in 2005 at the China Open and again in 2006 in the first two tournaments of the year.

Guo Yue also won both the Slovenia Open and at the Croatia Open.

For the Chinese left-handed duo, it was their ninth meeting in the world ranking events, and Guo Yue has now reduced the deficit to one.

Their first meeting was in May 2003 at the World Championships in the quarter-finals when Wang Nan won in six games, the second was in September of the same year when Guo Yue prevailed at the quarter-final stage of the the Japan Open.

Guo Yue also prevailed in the next duel, the quarter-finals of the Danish Open in November 2003 but then her run of successes was halted as Wang Nan won in seven games in the final at the Greek Open in February 2004 and later in the same year at the penultimate stage at the Singapore Open.

They met on one more occasion in 2004 at the Pro Tour Grand Finals in Beijing when victory went the way of Guo Yue on her inexorable path to the title.

However, prior to the meeting in Zagreb that was the last success Guo Yue enjoyed. In February 2005, Wang Nan won at the semi-final stage of the Qatar Open and in the final of the China Open in June 2006.

Five wins to Wang Nan and four to Guo Yue prior to the Croatian Open 2007, now it is still five wins to Wang Nan but it is four to Guo Yue.

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