Giang won the singles match 6-4, 6-1 within 80 minutes and set up a rendezvous with No 2 seed Karunuday Singh of India in the second round. Singh overcame his countryman Nitin Kumar Sinha 6-3, 6-2 in another match on May 14.
In another match, Vietnamese player Tran Quang Truong lost 1-6, 1-6 to No 8 Song Min-kyung of the Republic of Korea.
Takashi Saito of Japan beat Australian Matthew Romios 7-6 (2), 6-1; No 4 Alexios Halebia from the US won 6-3, 6-7 (3), 7-5 over Adrian Andrzejczuk of Poland.
No 1 seed Ly Hoang Nam of Vietnam will play today against Son Ji-hoon of the Republic of Korea. His partner in the F1 Futures’ doubles win Pham Van Phuong will face Japan’s Gengo Kikuchi.
According to latest world ranking release, Nam has jumped to No 433—his highest position ever and the highest spot ever held by a Vietnamese player.
Phuong is No 1,430, a leap of 153 spots.
In the doubles event, Giang paired with Phuong lost 5-7, 6-2, 7-10 to the Thai team Chantha Thanapet and Rakpuangchon Vorachon. Le Quoc Khanh and Tran Ngoc Quoc Vinh were beaten 6-7 (3), 7-5, 7-10 by mixed pair Jayden Court from Australia and Nguyen Bui Tri of Vietnam.