You have 3 alternatives to Watch Tennis Online,

1- Bet365.com Live Streaming Panel (Free)

By just suscribing Bet365.com, you can watch all ATP and WTA tennis tournaments for free. After you become a member of Bet365 (which is free ), you can watch all the matches by clicking Live Streaming link on the top menu of the site.

With Just a 1 Mbit internet connection you can watch matches without any interruption.  You can even make your tennis bets while watching your match live.

2- OmniSport TV

Omnisport TV is the official broadcaster of ATP and WTA tournaments and have a fixed price of  $5.99, for every tennis match.

As the home of live sport on the web, Omnisport.tv has the official right to stream live all the sports and competitions on offer.

Omnisport.tv has acquired these official rights from the Rights Holders and / or some of the leading sports agencies in the world. Please check the individual pages for each competion for more details on these Rights Holders.

Please be aware, geo-restrictions apply to these rights and so please check the restrictions on the purchase page before purchasing

Omnisport TV quality is very great to watch, I urgely recommend this site.

3- TennisTV

TennisTV is also an official broadcaster of all ATP and WTA tournaments, but you have to pay a suscription fee. There are packages for a year, month or tournament matches.

At Tennis TV you can watch all ATP tournaments for a year for just $84.95.

Men’s live streams are NOT available in the following geographical locations:

Brazil

All other countries are live

Live streaming of Rotterdam is not available in the Netherlands

Live streaming of Memphis and Washington is not available in the USA

Live streaming of Acapulco is not available in Mexico

Live streaming of Tokyo is not available in Japan

Women’s live streams are NOT available in the following geographical locations:

Europe PLUS Algeria, Egypt, Jordan, Lebanon, Libya, Morocco, Syria and Tunisia

Live streaming of the Sony Ericsson Open Men’s and Women’s finals on 4th and 5th April is NOT available in the US.