| Details | |
|---|---|
| Duration | 2 January 2006 – 3 December 2006 |
| Edition | 29th |
| Tournaments | 160 |
| Achievements (singles) | |
← 2005 2007 → | |
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 2006 ATP Challenger Series calendar comprised 161 tournaments, with prize money ranging from $25,000 up to $125,000.[1][2]