Daniela Hantuchova got a much-needed victory on the second day of the DFS Classic in Birmingham, beating Yoon Jeong Cho in straight sets. The 21-year-old Slovak has plummeted to 54 in the world after a string of bad results in the last year, but beat South Korea's number one 6-3 6-1.
Her next opponent will be Tatiana Golovin of France who went through when Russian 15th seed Elena Likhovtseva retired with a viral illness.
Number 10 seed Maria Vento-Kabchi of Venuzuela lost 6-2 6-2 to Spaniard Virginia Ruano Pascual.
Jill Craybas saw off 13th seed Claudine Schaul 7-6 5-7 6-1.
Alicia Molik, the number eight seed, became the first player through to the last 16 when she beat Italy's Flavia Pennetta 7-6 (7-3) 6-4.
Second seed Patty Schnyder marked her Birmingham debut with a 6-2 4-6 6-1 second-round win over Spain's Arantxa Parra Santonja.
Third-seeded Russian Maria Sharapova made short work of Jamea Jackson, beating the American 6-2 6-2.
Britain's sole survivor, Anne Keothavong, who beat Marta Marrero to gain her first WTA main tour singles victory, faces another Spaniard on Wednesday.
Maria Sanchez Lorenzo, the 18th seed, came from a set down to beat veteran Belgian Els Callens 3-6 6-4 6-3.
The injury to France's Marion Bartoli, who was taken to hospital after twisting and falling awkwardly during her first-round match with Flavia Pennetta, has been diagnosed as an acute hip strain.