Sam Stosur in action during her first-round loss to Anett Kontaveit in Dubai; Getty Images

Sam falls in Charleston opener

CHARLESTON, AAP –┬áSam Stosur has suffered an early exit at the Volvo Car Open against world No.107 Kristie Ahn.

Stosur had 26 unforced errors in her 6-2 6-4 loss to Ahn, her first opening-round loss at the green claycourt tournament since 2007.

The 2010 winner surrendered the first set after a tight opening period but fought back after trailing 4-0 in the second.

She will next head back to home soil for Australia’s Fed Cup World Group Play-off tie against Netherlands in Wollongong.