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