The

ATP Challenger Series The ATP Challenger Tour (known until the end of 2008 as the ATP Challenger Series) is a series of international men's professional tennis tournaments. It was founded in 1976 as a replacement for the ILTF Satellite Circuit (founded in 1971) as ...

is the second tier tour for professional tennis organised by the

Association of Tennis Professionals The Association of Tennis Professionals (ATP) is the governing body of the men's professional tennis circuits – the ATP Tour and the ATP Challenger Tour. It was formed in September 1972 by Donald Dell, Jack Kramer, and Cliff Drysdale to p ...

(ATP). The 2006 ATP Challenger Series calendar comprised 161 tournaments, with prize money ranging from $25,000 up to $125,000.

Schedule

January

February

March

April

May

June

July

August

September

October

November

References

{{DEFAULTSORT:Challenger Series 2006 in tennis ATP Challenger Tour seasons