JUNIOR players reigned supreme in the first leg of the Dunlop Grand Prix with Wong Wai-hang and Rebecca Chiu Wing-yin walking off with top honours in their respective divisions at the Hong Kong Squash Centre yesterday. Top-seeded Wong had little trouble lifting the men's title in the absence of leading local players Faheem Khan and Andrew Shum Siu-chung, beating Sunny Poon Yat-sing 9-0, 9-5, 10-8 in the final. The 17-year-old overcame a lapse of concentration in the third game to bounce back from 5-8 down, winning five points without reply. Chiu, top seed in the women's draw, was given a scare by reigning Hong Kong champion Harriet Wilcox before winning 9-3, 9-2, 5-9, 1-9, 9-5, avenging her semi-final defeat in the Hong Kong Closed Championships two months ago. Complacency almost cost 15-year-old Chiu the title as she relaxed after winning the first two games rather convincingly, allowing Wilcox to come back and push the match to the full distance. A painful boil on her right foot, however, ruined Wilcox's recovery as she almost ground to a halt in the decider and Chiu took advantage to score with boasts and drop shots. ''My foot was really killing me,'' said Wilcox, just coming back from a three-week break after hurting her back during a practice session. ''I've got these new shoes and the friction on the sole was so bad that it felt like it was burning.'' Experienced Hong Kong international Catherine Radcliffe defeated Jo Cooper 9-5, 9-1, 9-7 in the play-off for third place while third in the men's division was Dick Leung Kan-fai, who stopped Lai Tin-chu 9-4, 9-4, 9-10, 9-7.