India's Rohan Bopanna is set to become the oldest tennis player to achieve the world No. 1 ranking in men's doubles after reaching the semifinals of the Australian Open along with his partner Matthew Ebden here on January 24.
The 43-year-old, who had entered the tournament with a career-high ranking of world no. 3, and Australian Ebden recorded a comfortable 6-4, 7-6 (5) win over sixth seeded Argentinian duo of Máximo González and Andrés Molteni in the quarterfinals that lasted an hour and 46 minutes here.
The second-seeded Indo-Australian pair will cross swords with unseeded Tomas Machac and Zhizhen Zhang in the semi-finals.
