I collected the perspective of Peter Haas, father of Tommy, of Roger Federer for my "Facing Federer" book... Peter Haas (Father of Tommy Haas): "I know Roger very well. Tommy trains with him sometimes in Switzerland and other places. I'm a total, big-time Federer fan. Basically speaking, Tommy plays just like Roger, they both have the same old school backhand. That automatically makes me a Federer fan. They basically have the same basic type of game from an aesthetic point of view."

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