India’s double Olympic medallist PV Sindhu cruised into the semi-finals of the French Open badminton tournament with 21-14, 21-14 win over eighth seed Busanan Ongbamrungphan of Thailand in the women’s singles here on Friday. 

Sindhu had beaten Busanan at Denmark Open last week. On Thursday night, Sindhu, seeded third, prevailed 21-19, 21-9 over Line Christophersen of Denmark, ranked 24th in the world, in 37 minutes to enter quarter-finals.