Wimbledon tennis debentures rocket 60 per cent to £73,000 Sport Business The cost of a debenture to watch the world’s best tennis players at the Wimbledon Championships has rocketed by nearly 60 per cent. The All England Lawn Tennis Ground plc, which owns the courts and grounds which host Wimbledon every year, this week launched applications for No1 Court debentures for the second show court for [...]