"Being a tennis commentator you've got to stay neutral, but I'm a big Roger Federer fan," the German legend tells CNN-IBN.
The Rose Bowl, Southampton ,7/27/2014, 15:30 (IST)
Lord's, London ,7/17/2014, 15:30 (IST)
Queens Sports Club, Bulawayo ,7/22/2014, 12:30 (IST)
Sinhalese Sports Club, Colombo ,7/24/2014, 10:00 (IST)