Kunlavut Vitidsarn, Ratchanok Intanon and mixed doubles pair Dechapol Puavaranukroh and Supissara Paewsampran advanced to the quarter-finals of the US$475,000 (approx 15.2 million baht) BWF Arctic Open in Finland on Thursday.
Kunlavut proved too strong for Yushi Tanaka as the Thai top seed moved past the Japanese world No.26 with a 21-13, 21-14 win in 46 minutes.
He will play either Tharun Mannepalli of India or Koki Watanabe of Japan for a place in the semi-finals of the World Tour Super 500 event.
In the mixed doubles, third seeds Dechapol and Supissara defeated Czech pair Ondrej Kral and Tereza Svabikova 21-15, 21-16 in 36 minutes. They will play fifth seeds Goh Soon Huat and Shevon Jemie Lai of Malaysia next.
Dechapol and Supissara teamed up for the first time at this tournament last year and reached the last 16. After 12 months, they are now chasing their fifth World Tour title of 2025 and seventh overall.
Women’s singles hope Ratchanok progressed with a commanding 21-9, 21-8 win over Tanya Hemanth of India.
The second-seeded Thai will play seventh seed Chiu Pin-chian of Taiwan in the last eight on Friday. Chiu edged past Kristin Kuuba of Estonia 16-21, 21-10, 21-11.
Another women’s singles player, Busanan Ongbamrungphan, was scheduled to meet Line Christophersen of Denmark in a late match.
While mixed pair, Pakkapon Teeraratsakul and Sapsiree Taerattanachai, were also set to play their last-16 match against Mads Vestergaard and Christine Busch of Denmark later on Thursday.
In other early results on Thursday, men’s fifth seed Kodai Naraoka defeated Lee Chia-hao of Taiwan 21-13, 21-16 while women’s eighth seed Mia Blichfeldt of Denmark downed Han Qianxi of China 21-14, 21-13.