The unseeded Riske came from a set down to beat Barty 3-6, 6-2, 6-3.
Like her path to the quarters, Barty's chances of hanging on to the world number one ranking have also benefited from the early exits of her main rivals. I was sticking to how I wanted to play. To have overcome the matches the way I have is what I'm most excited about. "She played a great match today".
"If Karolina plays some good tennis, gets to that, then she'll deserve it".
"Today wasn't my day, but that's not going to define us as a team, it's not going to define me as a person".
Out-of-form Cavendish left off Tour team
Hopefully when Dylan heard it was me who won he could still smile". "I might do okay in the GC but then be unable to win a stage". Mark Cavendish won't get a chance this month to overhaul Eddy Merckx's record of 34 stage victories at the Tour de France .
Riske, who once jokingly described her dad as "Robert De Niro 100%" after the character in the "Meet the Parents" films, said she grew up paranoid about everything.
We love London. We would love to live here, love to be a member of the All England Tennis Club.
"I'm ready for a war".
Williams, who missed about a year of play when she had a baby in 2017 but returned to the tour in 2018, had not played before Wimbledon since the third round of the French Open - skipping the grass-court warm-up tournaments.
"But I must see being in the last eight at Wimbledon is not too bad".
The French Open champion lost 3-6 6-2 6-3 to powerful American Alison Riske in their fourth round clash.
The beginning of Wimbledon's second week is known as "Manic Monday" when all 16 remaining players in the men's and women's singles draws compete.
The battle between the "Karolinas" and the "Czechs" went on till the final set. "In Ukraine there is great fighters", she said, while pursuing a triumph that could place her alongside the Klitschko brothers and Vasyl Lomachenko in her nation's affections. There, she fended off a break point in game five with a backhand drive-volley victor at the net, moving ahead with another flawless forehand down the line victor and sealing the deal with a nice hold in the next game to stay on the title course.