Polina Kravets Cambron teaches Henry Bittler, 7, left, Anna Bittler, 10, second from left, and Ellie Unorski, 12, far right, how to serve a tennis ball at the Oxxford Hunt courts Wednesday.
Polina Kravets Cambron teaches Henry Bittler, 7, left, Anna Bittler, 10, second from left, and Ellie Unorski, 12, far right, how to serve a tennis ball at the Oxxford Hunt courts Wednesday. kbettis@newsobserver.com
Polina Kravets Cambron teaches Henry Bittler, 7, left, Anna Bittler, 10, second from left, and Ellie Unorski, 12, far right, how to serve a tennis ball at the Oxxford Hunt courts Wednesday. kbettis@newsobserver.com

Russian tennis star teaches others to serve and volley

October 06, 2014 12:00 AM