Axelsen continued his good run, following his two Thailand Open title victories so far this month, after defeating Indonesia's Anthony Sinisuka Ginting 21-17, 21-8.

His compatriot and second seed Anders Antonsen came from a game down to defeat India's Kidambi Srikanth 15-21, 21-16, 21-18.

Chinese Taipei's third and fourth seeds Chou Tien Chen and Wang Tzu Wei also secured 21-16, 12-21, 21-11 and 21-10, 21-14 victories against Malaysia's Lee Zii Jia and Hong Kong's Angus Ng Ka Long respectively.

In the women's singles, Marín won in straight games against Russia's Eygeniya Kosetskaya 21-19, 21-14, with the Olympic champion also looking to win her third straight tournament in Bangkok.

Second seed Tai Tzu Ying of Chinese Taipei won in three games 19-21, 21-12, 21-17 against India's PV Sindhu while fourth seed An Se-young of South Korea was a comfortable 21-12, 21-17 winner against Canada's Michelle Li.

The big shock of day one was Ratchanok Intanon's 15-21, 21-11, 21-18 loss to her Thai compatriot, Pornpawee Chochuwong.

In the men's doubles, top seeds Lee Yang and Wang Chi-Lin of Chinese Taipei defeated fourth seeds Ong Yew Sin and Teo Ee Yi of Malaysia 21-18, 24-22.

Second seeds Aaron Chia and Soh Wooi Yik of Malaysia also won their opening match against South Korea's Choi Solgyu and Seo Seung-jae 21-14, 21-19 while Ben Lane and Sean Vendy won the all-English tie against Marcus Ellis and Chris Langridge 22-20, 21-15.

Third seeds Mohammad Ahsan and Hendra Setiawan of Indonesia were victorious in three games against the Russian pair of Vladimir Ivanov and Ivan Sozonov by a score of 21-18, 15-21, 21-17.

Top seeds in the women's doubles, Greysia Polii and Apriyani Rahayu of Indonesia took 94 minutes to defeat third seeds from South Korea, Lee So-hee and Shin Seung-chan in a 21-17, 22-24, 21-15 win.

South Korean second seeds Kim So-yeong and Kong Hee-yong also won against Germans Linda Efler and Isabel Herttrich 21-11, 19-21, 21-11, while Chow Mei Kuan and Lee Meng Yean won in an all-Malaysian match against Vivian Hoo and Yap Cheng Wen 21-16, 10-21, 21-15.

Jongkolphan Kititharakul and Rawinda Prajongjai of Thailand comprehensively defeated fourth seeds Chloe Birch and Lauren Smith of England 21-10, 21-11.

Marcus Ellis and Lauren Smith suffered two defeats on the opening day, with the top mixed doubles seeds ending up on the wrong side of a thrashing against South Korea's Seo Seung-jae and Chae Yujung, losing 21-12, 21-12.

Second seeds Mark Lamsfuss and Isabel Herttrich of Germany were also handed a defeat against Malaysia's Goh Soon Huat and Lai Shevon Jemie 14-21, 21-18, 21-18.

Third seeds Dechapol Puavaranukroh and Sapsiree Taerattanachai of Thailand defeated Indonesia's Praveen Jordan and Melati Daeva Oktavianti 21-13, 16-21, 21-11, while fourth seeds Thom Gicquel and Delphine Delrue of France won 14-21, 21-14, 21-17 in three games against Hafiz Faizal and Gloria Emanuelle Widjaja of Indonesia.

Tomorrow's action sees the second round of group matches scheduled.