sentences:  On 19 July 2014, Zou beat Luis de la Rosa by unanimous decision with scores of 97-93, 99-91 & 99-91 at the Cotai Arena in Macau, to win his first ever professional title, the WBO International flyweight title.The fight was on the undercard of the world super-bantamweight championship fight between Guillermo Rigondeaux and Sod Kokietgym.After retaining the title against Prasitsak Phaprom on the undercard of Manny Pacquiao vs. Chris Algieri, Zou fought IBF flyweight champion Amnat Ruenroeng at the Cotai Arena in Macau on March 7, 2015.