London: The speaker of the UK’s lower house of parliament John Bercow has expressed his admiration for tennis stars Rafael Nadal of Spain and Roger Federer of Switzerland and said he will be interested in watching the upcoming ATP Masters 1000 tournament live in Madrid. Bercow, who is also a fan of English football club Arsenal, revealed himself as a fan of the racket sport and of the 20-time Grand Slam champion Federer. “I will let you into a secret, this is not absolutely certain and it depends, but I have never been to watch live the Madrid Masters, which is a Masters 1000 tennis tournament in May,” he told Efe in an interview. (IANS)