India's top player Joshna Chinappa went down fighting against second seed Camille Serme of France in the quarterfinal of the Women's world squash championship at El Gouna, Egypt. Chinappa lost 6-11, 12-10, 7-11, 11-8, 3-11 to Camille in a 70-minute marathon tussle last night. Fortunes changed hands but a fighting Joshna kept herself in contention before narrowly going down to her experiencedrival. Camille hit several winners to unsettle Joshna early but the Indian fought back each time and withstood the aggressionto take the match to the decider.