Federer unsure about playing Halle tune-up

Federer was slatted to play Halle as a warm up for Wimbledon, but after a long two weeks in Paris, he is bringing some question as to his plans this week. Nadal holds onto his no. 1 ranking. The next few weeks should be fun to watch as players are preparing for Wimbledon.Federer unsure about playing Halle tune-up