The ATP Challenger Cremona (officially: Trofeo Paolo Corazzi ) was a tennis tournament that took place annually from 2004 to 2011 in Cremona at the Centro Sportivo Stradivari . From 1997 to 2003 it was held as a club event, from 2004 to 2007 as part of the ITF Future Tour , before it was part of the ATP Challenger Tour from 2008 . It was played outdoors on hard courts.