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