Guadalajara Open: Gadecki upsets Collins en route to quarter-finals

Australian qualifier Olivia Gadecki reached the last eight of the Guadalajara Open by defeating American Danielle Collins, the second seed, 6-3, 6-3 at the Panamerican Tennis Center on Wednesday.

Gadecki, ranked No 152, will play the winner of the match between Italian Martina Trevisan and Mexican Renata Zarazua next.

The 22-year-old Australian won against American Sloane Stephens (6-4, 6-3) in the previous round of the Guadalajara tournament.

Guadalajara WTA 500, other second-round results (Panamerican Tennis Center, hard, USD 922.573, most recent results first):

• Ashlyn Krueger vs. Magdalena Frech
• Jelena Ostapenko vs. Marina Stakusic
• Caroline Garcia vs. Ena Shibahara
• Lucrezia Stefanini vs. Marie Bouzkova
• Martina Trevisan vs. Renata Zarazua
• Camila Osorio beat Veronika Kudermetova (7): 7-6, 6-7 (2), 7-5
• Kamilla Rakhimova beat Victoria Azarenka (3): 6-2, 3-0 ret.