Nick Kyrgios was challenged to summon his best tennis by Filip Krajinovic in the final of the Sarasota Open ATP Challenger and the eighteen year old phenom did just that. It was an unforgettable duel. Kyrgios, who plays with a Monfils like flashiness, surged to a 3-love lead. But the poised Serbian did not flinch at all. He kept his composure and suddenly it was 3-3. Kyrgios, dug in as well. At 5-4, Kyrgios had triple set point on his opponent's serve. But, the tough 22-year-old won five straight points to level it at 5-5.