Top-ranked Tai Tzu-ying of Taiwan remains in the hunt for her fourth All England Open title after defeating holder Nozomi Okuhara of Japan 21-10, 21-11 in the quarter-finals in Birmingham yesterday.
Tai, 27, needed just 35 minutes to finish off the Japanese for a place in the semi-finals of the women's singles.
In today's last four, Tai, the 2020 Olympic silver medallist, will meet South Korea's An Se-Young who also took just 35 minutes to beat Iris Wang of the US in the quarter-finals.
Tai, 27, beat Thailand's Busanan Ongbamrungphan in the last-16 round on Thursday.
Tai, who has won the All England crown in 2017, 2018 and 2020, was upset in the quarter-finals at last week's German Open.
Two-time All England champion Okuhara was playing in her first major tournament after an injury at the 2020 Tokyo Olympics.
The 27-year-old Japanese won the All England title last year after defeating Thailand's Pornpawee Chochuwong in the final.
Pornpawee and compatriot Ratchanok Intanon did not play in Birmingham this year after testing positive for Covid-19.
On Thursday, Thailand's Kunlavut Vitidsarn, who won the German Open last week, lost to Indonesian seventh seed Jonatan Christie 21-16, 21-19 in the last-16 round of the men's singles.
Mixed doubles pair Dechapol Puavaranukroh and Sapsiree Taerattanachai and women's doubles duo Jongkolphan Kititharakul and Rawinda Prajongjai were Thailand's only remaining players at the 2022 All England Open and playing in the quarter-finals last night.
In yesterday's men's doubles quarter-finals, top seeds Marcus Fernaldi Gideon and Kevin Sanjaya Sukamuljo defeated unseeded Satwiksairaj Rankireddy and Chirag Shetty of India 24-22, 21-17.