Key Biscayne, FL (Sports Network) - Five-time champion Serena Williams was come-from-behind fourth-round winner Monday at the $4.195 million Sony Open tennis event.
The world No. 1 Williams clawed back in order to beat game 13th-seeded Slovak Dominika Cibulkova 2-6, 6-4, 6-2 on the hardcourts at Crandon Park. Williams trailed 2-6, 1-4 before mounting one of her trademark comebacks.
The reigning Wimbledon and U.S. Open champion has appeared in seven Sony Open finals, including three straight titles from 2002-04 and back-to-back championships in 2007 and 2008.
Williams' quarterfinal opponent will be dangerous Australian Open runner-up Li Na. The fifth-seeded Li reached the quarters with a 7-6 (8-6), 6-2 victory over Spaniard Garbine Muguruza on Day 7.
Also, 30th-seeded Belgian Kirsten Flipkens overcame Croat Ajla Tomljanovic 6-7 (6-8), 6-4, 6-3 to reach the round of eight.