India's top woman's squash player Dipika Pallikal marched into the biggest final of her career after defeating higher-ranked Madeline Perry from Ireland in the Texas Open in Houston.The 22-year-old World No.12 battled for 75 minutes, enduring three tie-break games, to beat eighth-ranked Perry 11-7, 11-13, 13-11, 10-12, 11-4 in the Women's Squash Association (WSA) Gold 50 event yesterday.The Indian faces a mighty challenge in the final tonight when she takes on Egyptian qualifier Nour El Sherbini, who had stunned Malaysian World No.1 Nicol David to finish the youngest runner-up in the World Championship last month.