Betting Tennis Odds at SBG Global Action and Odds. Tennis odds are available for bettors on Grand Slam tennis tournaments and on other men’s and women’s tournaments each month. Many gamblers think of tennis odds only for tournaments like Wimbledon but there are tennis betting odds on tournaments all year long. Tennis odds are based on money lines where one player is favored against another. Tennis is similar to golf or NASCAR in that you have matchups where money lines are involved.