The Guadalajara Open. Coverage of day four of the WTA 500 event, a hard-court tournament at Panamerican Tennis Center in Mexico. The corresponding stage of last year's event saw another shock result as the number two seed, Danielle Collins, lost 6-3, 6-3 to Australian qualifier Olivia Gadecki, while the number three seed Victoria Azarenka withdrew from her match against Kamilla Rakhimova while trailing 6-2, 3-0