She had just watched her 37-year-old daughter reach the Wimbledon semifinals for the 10th time and, well, the whole thing was just a bit hard to believe.
Novak Djokovic said a right elbow injury was to blame for his retirement from Wednesday's Wimbledon quarter-final against Tomas Berdych.
After Federer won in straight sets in the semifinals in 2014, Raonic beat him in five sets previous year before losing to Murray in the final.
Novak Djokovic grooved into the quarterfinals at Wimbledon after winning his delayed fourth-round match in straight sets. He also managed to move past one really bad mistake in the third-set tiebreaker: an overhead that he dumped into the bottom of the net. He also had a trainer work on his right shoulder near the end of his fourth-round victory on Tuesday. He called it off with the match score of 6-7, 0-2.
The owner of three championships at the All England Club, and 12 major trophies overall, said his elbow has been bothering him for more than a year, that he opted against surgery and that he will consider taking a break from the tour. Was not easy to handle everything because, I mean, when Muller won the second set, I was ready to go on court already.
With Rafael Nadal losing to Gilles Muller in the fourth round on Monday, Federer is the last of the "big four" players standing at Wimbledon.
Sam Querrey eliminated a limping Andy Murray from the Wimbledon quarterfinals, beating the defending champion 3-6, 6-4, 6-7 (4), 6-1, 6-1 on Centre Court.
Djokovic highlighted a problem with the surface to the chair umpire late in his three-set win.
The 24th-seeded American told Thomson her explanation was "baloney" and said: "It is a distraction on the play". Wimbledon, like the Australian and French Opens, has no fifth-set tiebreaker in the final set.
Croatian world number six Cilic has been tipped for the title since day one by his compatriot and former coach Goran Ivanisevic, the 2001 champion at the All England Club.
Querrey, who is from the United States, is in the quarterfinals for the second consecutive year and has only beaten Murray once in eight previous meetings.
Three-time champion Novak Djokovic was playing Adrian Mannarino on Centre Court.
Play on all outside courts at Wimbledon has been suspended for the day because of rain.
The top-seeded Murray flicked a cross-court backhand passing shot so forcefully, placed it so perfectly, that Querrey barely got his racket on the ball, sending a volley well wide. Seven-time champion Roger Federer will follow against Milos Raonic, the man that beat Federer in last year's semifinals.
The match between CoCo Vandeweghe and Magdalena Rybarikova on No. 1 Court will finish on Centre Court after the match between Simona Halep and Johanna Konta.