Two-time Olympic medallist PV Sindhu rallied from a game down to eke out a hard-fought win over Thailand’s Supanida Katething to enter the semi-finals of the Syed Modi International tournament here on Friday.

The top-seeded Indian beat her Thai rival, seeded sixth in the tournament, 11-21, 21-12. 21-17 in a quarter-final match. Sindhu will face fifth-seeded Russian Evgeniya Kosetskaya in the semi-finals.