An Ning Challenger page help: Odds Portal lists all upcoming An Ning Challenger tennis matches played in China. "B's" column indicates number of bookmakers offering An Ning Challenger betting odds on a specific tennis match. Columns 1, X and 2 serve for average/biggest An Ning Challenger betting odds offered on home team to win, draw and away team to win the An Ning Challenger match. The top line of upcoming matches table (Tennis - China - An Ning Challenger) lets you click-through to higher categories of Odds Portal betting odds comparison service.