SW19 Diary: Jack Nicklaus just loves his new club at Wimbledon

Golf has to be the sport most athletes play in their downtime but the greatest golfer of them all can't get enough tennis. Jack Nicklaus was back at Wimbledon. After being a guest in the royal box on Monday, he returned to take in the women's quarter-finals. Nicklaus shares the occasional round with Ivan Lendl, Andy Murray's coach, who once played 300 rounds in a year as he tried to make it as pro golfer but failed in his attempt to qualify for the 2008 US Open and went back to tennis.

Tweet and sour for defeated Li Na

Li Na's defeat by Agnieszka Radwanska may have been a notable victory for tennis Scrabble but it is a blow for the tournament's profile in the Far East. Li of China has a phenomenal social media following, as high as 20 million according to some, although 14 million is a more realistic figure. Whichever, it is still huge and without comparison among Britain's leading sportsmen and sportswomen. Andy Murray has around 1.6 million Twitter followers while Wayne Rooney can muster 6.6 million.

Heroic Flipper makes the splash

It was always going to be a day of celebration in the Flipkens household, no matter what happened on Centre Court. As Flipper, as Kirsten is known, enjoyed her first Grand Slam quarter-final her mother, Carry, marked her birthday with a seat on Centre Court. The two women are now famous Belgians, at least in Belgium, as their picture was on the front of two national newspapers.

Thailand's young man of letters

Spare a thought for the umpires and announcers on No 4 Court in the boys' singles this evening as Thailand's Wishaya Trongcharoenchaikul strode out.

Weather watch

Staying overcast and dry all day, with chance of late sun. Maximum temp 20C.