Wimbledon officials are refusing to show any games from the World Cup on the All England Club's big screen, Reuters report, despite clashes between the championship's matches and England's games in Russian Federation.
Mobile phones and other devices can be used by the crowd, giving spectators the option of watching the World Cup final as well.
Spectators at the event will now be able to watch England take on Croatia in the semi-finals Wednesday, a game that takes place during evening matches at Wimbledon.
Football hopes are running at their highest since 1996, when England played (and lost to) Germany in the semi-final of the European Cup.
"I'm more concerned the World Cup final will have issues because the Wimbledon final is going on", Federer joked with the media Monday after he advanced to the quarterfinals at the London Grand Slam for the 16th time in his career. "The tennis was very good and there as an historic football match going on", added Lewis.
The All England Club has come under increasing pressure to rethink its 2pm (1300GMT) start time for Sunday´s men´s singles final with the football showpiece in Moscow kicking off at 4pm in the United Kingdom (1500GMT). "We had superb tennis going on and we were benefiting from modern technology where people were able to follow the football, enjoy it, without disturbing other people", said Lewis.
However, Lewis said he would have no objection if numerous 15,000 fans inside Centre Court wanted to follow the football on their devices - as long as they did not disturb the players.
"I gather it wasn't very successful because it did interrupt people's enjoyment of the tennis and what we did last Saturday actually did work very well", said Wimbledon chief executive Richard Lewis.
The rules of entry to the grounds of SW19 state that devices "must be switched off in and around the courts of play", but this appears to have been relaxed for this year only. [Football fans] will hear every point, 'Wow, 0-15, 15-30.' The players are going to look up to the...