Career
Yoo had a distinguished amateur career. She played on the Korean National Golf team in both 2002 and 2004. Yoo turned professional in November 2004 and began playing the Futures Tour in 2005.
That and ten top ten finishes in 18 events allowed Yoo to begin playing the LPGA Tour in 2006.
In September 2009 Yoo had her best ever finish on the LPGA Tour. At the end of 54 holes at the P&G Beauty Northwest Arkansas Championship, she was tied for first with Jiyai Shin and Angela Stanford.
She defeated world number one Shin, in a semifinal match 2&1 and went on to defeat Stanford 3&1 in the championship match. Among her fellow South Koreans on the LPGA Tour, Yoo is known as "Course Clown".
LPGA Tour wins (2) Futures Tour wins (1) Wins (1) 1 Defeated I.K. Kim in a sudden death playoff with birdie on first extra hole Results timeline Results not in chronological order before 2015.
The Evian Championship was added as a major in 2013 DNP = did not play CUT = missed the half-way cut World Development = withdrew T = tied Green background for wins. Yellow background for top-10. Summary Most consecutive cuts made – 9 (2010 British Open – 2012 British Open) Longest streak of top-10s – 2 (2011 British Open – 2012 Kraft Nabisco) official as of 22 November 2015 *Includes matchplay and other events without a cut.