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