Manila, July 28 -- Filipina boxer Nesthy Petecio is now assured of at least an Olympic bronze medal after beating Yeni Arias of Colombia in the women's featherweight quarterfinals at the Kokugikan Arena in Tokyo on Wednesday.

Despite an aggressive stance from Arias, Petecio landed the more accurate shots in the opening minutes, earning the nod of all five judges in Round 1.

Arias finally began connecting in Round 2, getting the 10-9 score from judges Yaroslav Renev and Zhang Guo, but the other three judges, Sidali Mokretari, Roberto Servide, and Maksim Sulejmani, gave Round 2 to Petecio.

Servide found Arias the better boxer after Round 3 but the other four judges had Petecio winning the final frame, and Petecio eventually got the unanimo...