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