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