Sania Mirza has a tough draw on hand in the star-studded $585,000 Dubai Open where she opens her challenge against world No. 34 Jelena Kostanic of Croatia tomorrow. If she manages to cross the first hurdle Sania, one of the three wild card entrants, would run into us open champion and fourth seeded Svetlana Kuznetsova of Russia in the second round.The 18-year-old Indian, who announced her arrival in the circuit reaching the third round of the Australian Open, has already made it clear that her immediate aim was to win the first game. “It’s a big tournament for me and a big opportunity after Australia. Let’s just hope I can give my best and see what comes,” said Sania who will be playing in her first Tier 2 event. “Let’s hope I can play well here.”