Improve your technique, mental game, etc.
- Essentialtennis.com – free instruction videos and useful articles. Great resource. Run by Ian Westermann.
- Tennismindgame.com – articles and courses on the psychology, mental and inner game of tennis. Run by Tomaz Mencinger
- http://tennisdrillshq.com – over 140 free drills available for coaches and players
Tennis research and studies
- State of the industry study published on tennisindustrymag.com featuring stats like tennis is a $5.55 billion industry, 4% growth in participation over previous year, and other interesting stats.