The Tampere Open is a professional tennis tournament played on clay courts. It is currently part of the ATP Challenger Tour, and has been held annually at the Tampere Tennis Center in Tampere, Finland, since 2008 (and 2007 for the women's ITF). Prior to that ATP Challenger competition was held at the Pyynikki tennis courts from 1982âÂÂ2007. It is the longest running ATP organized event on the Challenger Tour, becoming the first tournament to celebrate its 40-year anniversary in 2022.