Published on November 17, 2007
Yousuf, a former world and Asian champion, was beaten 3-1 by unsung Au Sun Pui of Hong Kong. This was Yousuf's second defeat in three outings.
Thailand's Praprut Chaithanasaku is going strong as he recorded his third first-round victory on the trot, whitewashing Khaled Alhasawi 3-0 on Thursday.
In the men's section, Chinnakrit Yaowannasiri, runner-up at this year's Asian under-21 championship, hammered experienced Qatari Ahmad Saif 4-1.
Thailand's Passakorn Suwan-nawat, Noppadol Sangnil, Kobkit Palajin and Pramual Jantad also registered easy wins.
However, the day was not without disappointment for the hosts, as Poramin Danjirakul went down 4-3 to Ton Berkhout of the Netherlands.