junior U-18 national champion Nitin Kumar Sinha set up a title clash with top seed Vishnu Vardhan with a hard-fought 6-3 3-6 6-2 win over fourth seed Suraj Prabodh in the Asian Tennis Tour 2016 in Kolkata today.In another semi-final, Vishnu Vardhan beat Nitin Kirtane 6-2 6-3 to reach the final.