Yanina Wickmayer, Urszula Radwanska advance at Monterrey Open MONTERREY, Mexico, April 2 (UPI) -- Sixth-seeded Yanina Wickmeyer and No. 7 Urszula Radwanska each advanced with opening-day victories at the Monterrey Open in Mexico. Wickmeyer needed three sets but managed to rally past Russian Valeria Savinykh 4-6, 6-1, 6-4 in a match that lasted just under 2 hours at the Sierra Madre Tennis Club. Joining her in the second round will be Radwanska, who outlasted American Maria Sanchez 6-2, 2-6, 6-2 on the Mexican hard courts. Also logging Day 1 wins Monday were Russia's Galina Voskoboeva, Romania's Monica Niculescu and Timea Babos of Hungary. A match between fifth-seeded Russian Anastasia Pavlyuchenkova and countrywoman Nina Bratchikova was suspended in the first set due to rain.