World number two Yani Tseng has withdrawn from this week's Kia Classic after missing her pro-am tee time.
Yani Tseng: Hopes to return in 2014
Tseng, who lost top spot in the women's rankings to Stacy Lewis last week, pulled out after she missed her tee time on Wednesday, saying she felt ill the previous evening and overslept.
"I'm embarrassed to admit that I wasn't feeling well last night and accidentally overslept and missed my tee time for the pro-am this morning," she is quoted as saying in LPGA.com.
"I was extremely excited to compete this week to defend my title at the Kia Classic and to try to regain the No. 1 spot. This was an unfortunate mistake and I want to apologize to Kia, my sponsors and all of the fans.
"The Kia Classic is one of my favourite tournaments and I have so many great memories in San Diego. I can't wait to come back here next year."
The 24-year-old Tseng spent 109 weeks at the top of the women's rankings, but she dropped to number two when Lewis won the Founders Cup in Phoenix.
golf365.com