Ristow, a freshman from Curitiba, Brazil, was undefeated in the selection period in both singles and doubles. In singles action, playing at the number two position, he won 6-1, 6-4 at NCAA D-I Murray State University. Playing in the number one position at Austin Peay State University, he had a come back win of 4-6, 6-0, 6-0. He played his doubles matches in the number one position and won at Murray State University 8-5 and at Austin Peay State University 8-5.