Third seed Harinder Pal Singh Sandhu upset second seed and India number two Mahesh Mangaonkar to set up a mouth-watering men’s title clash with top seed Saurav Ghosal in the 62nd senior national squash championship on Friday. After Ghosal halted Ravi Dixit with a 11-7, 11-7, 12-14, 11-8 win in a tight semifinal.