Orissa`s up-coming tennis player Adwitiya Patnaik beat Annamitra Chakrabarty (Maharashtra) 7-5, 6-1 in the final to win the under-14 singles title in the AITA Championship Series Tournament at Mysore today. This was the third Championship Series and seventh career AITA career title for Adwitiya, who is currently occupying the 19th position in the under-14 National rankings. Earlier in the semifinals, he beat top seed SD Prajwal Dev (Karnataka) in 2-1 sets.