Switzerland's Olympic champion Belinda Bencic won the WTA Charleston title with a battling three-set win over Tunisia's Ons Jabeur.
Bencic, 25, won 6-1 5-7 6-4 in a match lasting two hours and 35 minutes.
It is Bencic's sixth career WTA title and she is the first Swiss woman to win the event since Martina Hingis in 1999.
Elsewhere, Belgium's David Goffin rallied to beat Slovakia's Alex Molcan and lift the Grand Prix Hassan II title in Marrakech, Morocco.
Goffin won 3-6 6-3 6-3 in just under two hours to lift his sixth career ATP title.