KINGSTON UPON HULL, UK — Mathieu Castagnet became an unexpected quarterfinalist in the British Open Wednesday. The 28-year-old from Aix-en-Provence overcame Marwan El Shorbagy 11-6, 11-3, 11-4. Earlier Egypt's Nour El Sherbini reached the quarterfinals with a 11-1, 11-8, 11-5 win over the South African qualifier, Syoli Waters. El Sherbini's reward is a quarterfinal with another in-form French player — Camille Serme, who impressively outplayed India's Dipika Pallikal 11-5, 11-3, 11-2. On Tuesday, Malaysia's Nicol David escaped with 11-2, 11-4, 7-11, 11-9 win over Welsh qualifier Tesni Evans. Laura Massaro did not look comfortable either against Joshana Chinappa, as she won 13-11, 11-3, 11-8, 11-7. — Reuters