Reigning world champion Kento Momota suffered a quarter-final defeat at the Badminton World Federation French Open in Paris.
The Japanese star was the top seed for the competition at the Stade Pierre De Coubertin.
Momota had come from a game down to win his previous match at the tournament, but was unable to repeat the feat today.
He fell to a 21-10, 21-19 defeat to Indonesia's Anthony Sinisuka Ginting to miss out on a place in the semi-finals.
Ginting will now face China's Chen Long, with the Olympic champion having beaten Indonesia's Shesar Hiren Rhustavito 21-19, 21-12 in his quarter-final.
Indonesia's Jonatan Christie came from a game down to beat World Championship silver medallist Anders Antonsen 17-21, 21-19, 21-16.
Christie will face further Danish opposition in the semi-finals, as Viktor Axelsen overcame Hong Kong's Angus Ng Ka Long 21-17, 21-16 in his quarter-final tie.
The pick of the women's matches saw top seed Tai Tzu-Ying of Chinese Taipei face world champion P.V. Sindhu of India.
Sindhu became the second world champion eliminated on the day, as Tai battled to a 21-16, 24-26, 21-17 victory.
Tai will face Spain's Carolina Marín in the semi-finals.
Marin earned a hard fought 21-18, 17-21, 21-14 win over Thailand's Ratchanok Intanon today.
Second seed Akane Yamaguchi advanced to the last four after the Japanese player's opponent He Bingjiao of China withdrew after losing the opening game.
Yamaguchi will now face South Korea's An Se-young, who beat India's Saina Nehwal 22-20, 23-21.