 His best doubles performances on tour were the quarter-finals at the 1998 Legg Mason Tennis Classic, with partner Marco Osorio, as well as the quarter-finals of Boston's Pro Tennis Championships in 1999, teamed with Doug Flach.Kokavec represented Canada in a tie against Mexico in the 1998 Davis Cup competition.The tie, an American Group 1 Quarter-final in Halifax, was won by Canada, with Kokavec's appearance coming in the first of the reverse singles, a loss to Alejandro Hernández.