Big-name players, led by world No. 2 Lin Dan of China, took comfortable victories at the SCG Thailand Open badminton championships yesterday.
Olympic champion Lin cruised into the third round with easy wins in the first two rounds of the men's singles at CU Sports Complex, Chulalongkorn University.
The 28-year-old Chinese started his bid for his second Bangkok title after his success in 2008 with a win over Woong Ha of South Korea, followed by another routine triumph against K Srikanth of India in the second round late last night.
He will next face Suppanyu Avihingsanon in the round of 16 after the Thai defeated Wei Sheng Loh of Malaysia in straight sets.
Local star Boonsak Ponsana also booked his place in the third round after beating Ka Long of Hong Kong and fellow Thai Thammasin Sitthikom in the first two rounds. He next plays the winner between Shih Kuei Chun and Riichi Takeshita.
Third seed Pablo Abian of Spain suffered a shock defeat against Misbun Ramdan Mohamed of Malaysia while Thailand's Tanongsak Saensomboonsuk was defeated by Sameer Verma of India in straight sets.
In the women's singles, Ratchanok Inthanon, seeded second and ranked 11th in the world, needed just 27 minutes to thrash Yin Fun Lim fom Malaysia 21-5, 21-14.
Ratchanok, who has qualified for next month's Olympic Games, takes on Xue Yao of China in the second round.
Top seed Saina Nehwal of India beat local player Nichaon Jindapon 21-13, 16-21, 21-15.The 22-year-old world No. 5, who crashed out in the quarter-finals last year, will take on Li Han of China in the second round.
Thailand's third seed and world No. 17 Porntip Buranaprasertsuk took 28 minutes to beat Ngan Yi Cheung of Hong Kong to set up a date with Lydia Li Ya Cheah of Malaysia. Porntip lost to eventual champion Li Xuerui of China in last year's semi-finals.
Three other Thais also advanced to the second round _ Busanan Ongbumrungpan, Sapsiree Taerattanachai and Salakjit Ponsana.
Busanan, who won the 2012 Malaysian Open, meets Yu Sun in the second round, and Salakjit takes on Japanese Nozomi Okuhara.
Thailand suffered two surprise defeats in the mixed doubles. Fifth seeds Songphon Anugritayawon and Kunchala Voravichitchaikul, ranked 21st in the world, crashed out in the first round after losing to Singapore's Zhao Jiang Terry Yeo and Dellis Yuliana while third seeds Maneepong Jongjit and Savitree Amitrapai lost to Fran Kurniawan and Shendy Puspa Irawati of Indonesia.
Local best hopes and second seeded Sudket Prapakamol and Saralee Thoungthongkam survived a scare to beat Hafiz Faisal and Pia Zebadiah Bernadeth of Indonesia 2-1.