References
- General
- "2009 ATP Challenger Tour calendar". atpworldtour.com. ATP Tour, Inc. Archived from the original on 2009-08-05. Retrieved 2009-10-26.
- "2009 ATP/ITF Schedule". stevegtennis.com. stevegtennis.com. Archived from the original on 2009-08-05. Retrieved 2009-11-01.
- Specific
Read more about this topic: 2009 ATP Challenger Tour