Thailand Open 2003
The Siam Cement Thailand Open 2003 in badminton took place in Bangkok from January 6th to 12th, 2003. The prize money was $ 30,000. The tournament thus had one-star status in the World Badminton Grand Prix.
Final results
| discipline | winner | finalist | Result |
|---|---|---|---|
| Men's singles |
 Ronald Susilo
|
 Boonsak Ponsana
|
15-10, 7-15, 15-10 |
| Ladies singles |
 Dai Yun
|
 Kanako Yonekura
|
11-7, 11-8 |
| Men's doubles |
 Yoo Yong-sung Ha Tae-kwon
|
Patapol Ngernsrisuk Sudket Prapakamol
|
15-8, 15-6 |
| Ladies doubles |
Wei Yili Zhao Tingting
|
Lee Hyo-jung Yim Kyung-jin
|
11-9, 5-11, 11-6 |
| Mixed |
Chen Qiqiu Zhao Tingting
|
 Nathan Robertson Gail Emms
|
11-4, 8-11, 11-0 |
Semi-final results
| discipline | winner | opponent | Result |
|---|---|---|---|
| Men's singles | Boonsak Ponsana | Park Tae-sang | 17-16, 10-15, 15-8 |
| Ronald Susilo | Muhammad Hafiz Hashim | 15-10, 15-8 | |
| Ladies singles | Kanako Yonekura | Zeng Yaqiong | 11-6, 9-11, 11-4 |
| Dai Yun | Seo Yoon-hee | 11-3, 11-7 | |
| Men's doubles |
Yoo Yong-sung Ha Tae-kwon |
Fu Haifeng Cai Yun |
15-5, 15-8 |
|
Sudket Prapakamol Patapol Ngernsrisuk |
Choong Tan Fook Lee Wan Wah |
15-11, 11-15, 15-10 | |
| Ladies doubles |
Wei Yili Zhao Tingting |
Chung Jae-hee Lee Kyung-won |
9-11, 11-9, 11-7 |
|
Yim Kyung-jin Lee Hyo-jung |
Kumiko Ogura Reiko Shiota |
11-8, 11-1 | |
| Mixed |
Nathan Robertson Gail Emms |
Tony Gunawan Eti Tantra |
11-8, 11-4 |
|
Chen Qiqiu Zhao Tingting |
Yoo Yong-sung Chung Jae-hee |
13-10, 11-1 |