Former world No. 1 ITF juniors and former world No. 80 ATP singles and doubles. Reached the finals at the French Open juniors, won 1 ATP 250 title and 8 Challengers ATP. Brian has beaten players as Millos Raonic, Robin Soderling, Fernando Verdasco, Gilles Simon, Mariano Puerta, Gaston Gaudio among others.
Owner and director of Dabul Tennis Academy and Polonsky - Dabul Tennis Academy (Florida) from 2012 to 2020. Coached several top juniors in the US and South America, and coached many D1 college players. He also coached Sachia Vickery world No. 73 WTA. Currently High Performance PTR tennis coach, his specialty and passion is developing tennis players from early ages.
Private coach in California from 2020 - present