HA NOI (VNS) — Nguyen Dac Tien made a big bang yesterday beating Ho Huynh Dan Mach to enter the quarter-finals of the National Men's Tennis Championships in Dak Lak Province.

Tien, 15, of Ha Noi overcame Mach of Military 6-0, 0-6, 6-2 in the over-18 category and will play against Tran Ngoc Hien, another soldier, in the next round.

Hien yesterday won 6-4, 6-2 over Bui Thai Luan of HCM City.

Earlier, Huynh Chi Khuong had defeated Vu Artern 6-1, 6-1 in an all-Military match.

Hanoian Hoang Thanh Trung sent Military's Le Cong Tien home after a 6-2, 6-3 victory.

Khuong will face Trung in the second quarter-final match. Meanwhile, Tran Hoang Anh Khoa easily trounced Nguyen Tuan Anh from HCM City 6-3, 6-2. He will next face Vo Van Toan of Da Nang who moved to the last-eighth round after his rival Tran Thanh Hoang of Military withdrew.

In the U18 doubles event today, Le Trung Tinh and Pham Duy Thuc of the Military will play against Minh Tri and Nhat Hoang in the first semi-final match. The second will see Marshall David and Phuong of Binh Duong versus

Van Son and Viet Hoang, another Vinh Phuc duo. — VNS