British tennis is "a mess" and the Lawn Tennis Association must make changes, says ex-player David Lloyd.
He added that "the buck must stop" with LTA chief executive Michael Downey, who he says has done "a poor job".
Following Great Britain's Davis Cup victory, Andy Murray said that speaking to the LTA about the future of British tennis is a waste of his time.
"The LTA do not run the game very well. They haven't for many, many, many years," Lloyd told BBC World Service.
"They have poor management, poor systems.