Evian Natural Spring Water has announced it is to be the official sponsor of the Olympus US Open Series in a deal that will span five years.

The brand, which has been official sponsor of three out of the four Grand Slam tournaments, has also extended its endorsement deal with tennis star James Blake, marking its third year of supporting the athlete.

"Our continued investment within the tennis industry attests to Evian's commitment to the sport and to tennis fans everywhere," said Jeff Caswell, vice president of marketing for Evian North America. "We're particularly excited about the multitude of opportunities the expanded Olympus US Open Series sponsorship provides us to interact with our customers and further extend the brand."

As part of the new deal, Evian will sponsor all of the Olympus US Open Series tournaments held in the US, including the Countrywide Classic, Pilot Pen Tennis, Indianapolis Tennis Championships, Bank of the West Classic, Legg Mason Tennis Classic, East West Bank Classic and the Western & Southern Financial Group Masters.