By Randy Walker @TennisPublisher Maybe it is just because it is Roger Federer. Or Roger Federer playing Novak Djokovic. Or Roger Federer playing Novak Djokovic in the new curiosity in tennis, the International Premier Tennis League (IPTL). Or Roger Federer playing Novak Djokovic in the IPTL in tennis-mad India. It was a perfect formula […]