KUALA LUMPUR: Asian champion S. Sivasangari advanced to a quarter-final against world champion Amina Orfi of Egypt at the US Open in Philadelphia on Wednesday.

The Malaysian ranked No. 4 was just too strong for world No. 25 Kenzy Ayman of Egypt, prevailing 11-3, 11-7, 11-3 in 21 minutes in the second round.

World No. 1 Orfi overcame compatriot and world No. 27 Hana Moataz 11-4, 11-0, 11-9 in the second round.

In the last two clashes, Sivasangari defeated the 19-year-old Orfi in four games in the semi-finals of the PSA World Tour Finals in Paris in June.