(Beijing, February 28) In an all-Chinese affair of the men's -80kg quarterfinals of the "Good Luck Beijing" 2008 Taekwondo International Invitational Tournament at the Beijing Science and Technology University Gymnasium this afternoon, Zhu Guo overpowered Pan Dongdong to enter the semifinals. Also making the semis are: Ali Sari (TUR), Juan Sanchez (PUR) and Abdalrhman Osama (EGY).