Charleston, April 14: Top seed Ons Jabeur advanced to the last 16 at the MUSC Health Women's Open, while Magda Linette was a casualty on Tuesday.
Jabeur – who reached the semi-finals of the Volvo Car Open – made a winning start at the WTA 250 event after toppling Stefanie Vogele 6-4 6-1.
The Tunisian won 88.9 per cent of her first serves to set up a clash with qualifier Alycia Parks – the latter eased past fellow American Grace Min 6-1 6-4.
Rogers wins at MUSC Health Women's Open, Doi retires in three-hour epic
However, second seed Linette crashed out at the hands of in-form Colombian Maria Camila Osorio Serrano.
Osorio Serrano, who claimed her maiden singles title at the Copa Colsanitas in Bogota last week, upstaged Linette 6-3 4-6 7-5.
Elsewhere, 15-year-old wildcard Linda Fruhvirtova – in just her second WTA main-draw appearance – progressed 6-2 6-7 (7-9) 4-4 after fourth seed Alize Cornet retired in the final set.
Find the best IPL odds at 10Cric! Bet on all matches directly from your mobile phone.
Play casino in India at 7Jackpots, and enjoy real money games with fast and secure withdrawal options.