Denis Istomin gave us the biggest surprise of this year’s Australian Open (some say the decade) when he, ranked #117 in the world, beat six-time Australian Open champion Novak Djokovic in a five set thriller: 7-6 (8), 5-7, 2-6, 7-6 (5), 6-4. “I feel sorry for Novak. I was playing so good today.” What racquet does Denis Istomin use? He endorses a Tecnifibre Tfight Dynacore 325, but is actually using an …
