Eyeing a medal as well as an Olympic berth, Asian Games bronze-medallist Pooja Rani (75kg) entered the pre-quarterfinals of the AIBA Women's World Boxing Championships today. At Astana, Kazakhstan, Rani recorded a a hard-fought triumph over Ukraine's Mariya Borutsa to advance to the last Sixteen round. Tomorrow, M C Mary Kom (51kg) will clash against Germany's Azize Nimani, while L Sarita Devi (60kg) will square off against Mexico's Victoria Torres in their respective second round bouts.The prestigious event — the final qualifying event for women boxers in the three Olympic categories of 51kg, 60kg, and 75kg — has 12 Rio tickets on offer. In the non-Olympic categories, Nikhat Zareen (54kg) and Sonia Lather (57kg) emerged triumphant to enter the pre-quarterfinals of their respective categories. However, Meena Rani (69 kg) went down to Germany's Nadine Apetz in a one-sided contest.