We recommend several sites to watch free live streaming tennis games:

• bet365 offers free live streaming tennis games as part of their live streaming player service. These streams are available globally and can be watched online at bet365 > sports > live streaming. New users can also get a free bet of up to £200 or currency equivalent at bet365.
  
• William Hill as a betliveTV service which allows viewers to watch live streaming tennis. New users can get a free bet of up to £25 free at the bookmamkers.
  
• Trusted bookie Ladbrokes runs Ladbrokes.tv which has a free live streaming tennis service. New users get up to £25 free when they sign-up using the MAXIMUMBONUS promotion code
  
• Bwin streams many live tennis matches for free as well.