Federer, who cruised through to the quarter-final of the men's competition on Monday, said he was not anxious about the football disrupting Sunday's final.
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.
England have progressed to their first World Cup semi-final since 1990.
Ex-UCLA basketball player found dead in Phoenix, posted farewell video
Knight's death came just days after 27-year-old Tyler Honeycutt fatally shot himself during a standoff with police on Friday. TMZ Sports reported Knight could've been sentenced for more than 50 years if he had been found guilty of all charges.
Seven-time Wimbledon victor Serena Williams said after progressing to today's quarter-finals: "Seeing all the English get so excited, you can't help but root for the team".
The final will be played at the Luzhniki Stadium in Moscow.
According to respondents, with the two finals coinciding with one another, only 8 per cent of those watching the tennis state they are prepared to stick with the coverage should the match run over into the start of the World Cup final.
The organisers of Wimbledon are standing their ground though as it has been revealed that the men's singles final will go ahead at the traditional time of 2.00pm (BST), despite the World Cup final taking place a couple of hours later at 4pm (BST).
Cardi B welcomes baby daughter Kulture
I don't want to miss one second. "Kulture Kiari Cephus", Cardi B , 25, wrote Wednesday in an announcement on Instagram . The " I Like It " rapper even claimed that he former manager tried to control her relationship with Offset .
"Our attitude is that if people aren't affecting other people's enjoyment of the tennis, if they have it on silent or are listening on an earphone, then that is fine", Richard Lewis, the club's chief executive, told The Guardian.
He continued: "We are a sold-out event and there's massive interest".
The rules of entry to the grounds of SW19 had previously stated that devices "must be switched off in and around the courts of play", although the rules appear to have been relaxed with England on the verge of reaching a historic final.
Lewis added that tennis fans are welcome to follow the football final online with their preferred devices, but they must do so in a respectable manner.
England pledge to attack Croatia in World Cup semi-final
England enters Wednesday's semifinal at +135 on the money line, meaning you'd need to bet $100 on an English victory to win $135. Can England take the title off Croatia before Sunday? Live updates of the World Cup semifinal between England and Croatia .
"Saturday was one of the most special days I can remember at the championships". [Football fans] will hear every point, 'Wow, 0-15, 15-30.' The players are going to look up to the...