Keothavong in 2009 became the first British woman to reach the world's top 50 for 16 years. Her other major career high point came at the 2008 US Open, where she reached the third round, while she made the second round at Wimbledon four times.
Sara Errani committed only five unforced errors on Thursday in beating Anne Keothavong of Britain 6-1, 6-1 at Wimbledon.
Sania Mirza dug deep into her reserves to overcome a fighting Anne Keothavong 6-4 7-5 to progress to the singles quarter-finals of the USD 220,000 Pattaya Open, at Pattaya on Thursday.