I'm originally from Dublin but now live in Edinburgh glyburide glipizide elderly Williams' 6-3 2-6 6-1 upset of Agnieszka Radwanska under the Rod Laver Arena lights proved there was still life in her 34-year-old legs and ensured the United States would have a third woman in the last eight after younger sister Serena edged Spaniard Garbine Muguruza in the day session.