Play has started in the final two women's quarterfinal matches at the French Open.
Not only that but sixth seed Thiem has not dropped a set en route to Friday's semi-final and on Wednesday trounced defending champion Novak Djokovic 7-6 6-3 6-0. If I don't play well, I will be out of the tournament.
Defending champion Djokovic collapsed to a meek 7-6 (7/5), 6-3, 6-0 loss to Thiem in what was his earliest exit at Roland Garros in seven years.
The unseeded Latvian hit 21 winners and 16 unforced errors as she took the first set 7-6 (4).
Harrison and Venus will meet Donald Young of the United States and Santiago Gonzalez of Mexico for the title on Saturday.
The surly Czech has been interacting more than usual with Murray's rants between points at Roland Garros this fortnight, and his normal terse silence has been interrupted by the occasional cry of 'Come on!'
Nadal's greater experience is also paying off.
Whether or not Thiem beats Nadal, he will be viewed as one of the most risky opponents on the surface from here on in but considering he was branded as the third-favourite for the title heading into the event, it appears to be a tag he's more than capable of dealing with.
The 30-year-old Serb hinted that he may step back from the sport to regroup, just 12 months after holding all four Grand Slam titles.
The boys' final will be between Nicola Kuhn of Spain and Australian Alexei Popyrin.
Ostapenko turned 20 on Thursday and fans on Court Philippe Chatrier sang "Happy Birthday" to her.
"But to compete with some of these great ball strikers and beat them handily, often, that's down to his street sense on the court".
Murray's quarter-final against Nishikori will certainly not be remembered as a classic, with windy conditions making finding a rhythm hard for both men.
Murray and Lendl got back to basics in the week before the tournament - once Murray had got over his latest illness.
Bacsinszky won the last four games to wrap up the second set 6-3.
In contrast to the third set, which included five breaks of serve, neither player faced a break point in the fourth.
Ostapenko converted her second match point with a forehand attack, her 50th victor of the match.
Murray had led 7-6 (6), 3-6, 7-5.
The Swiss player has opted for traditional white Bermuda shorts this year, but his shoes are drawing some attention.
It's the first time a Canadian woman wins a Grand Slam title.
The same symbols are also displayed on the inside frame of his racket.
Murray won the first set 7-6 (6).
Only one player has beaten Rafa Nadal on his beloved claycourts this year and that man, Austria's Dominic Thiem, blocks the Spaniard's path to the French Open final.
"They are all obviously playing extremely well", Murray said.
World No. 1 Murray was the first British man in the Roland Garros final since Bunny Austin in 1937 when he finished runner-up to Novak Djokovic a year ago. I played well all the matches here. "He scraped through the first two matches and then the work started to come in".
Wawrinka has lost 54 games - identical to the figure at the same stage in 2015 when he became champion.
"Nine or 10 is only 10 percent more", Nadal joked, when asked about the historic nature of his bid to become the first man to win 10 titles at any major.
Murray arrived at Roland Garros with genuine concerns over his form after a mediocre claycourt swing, but with coach Ivan Lendl watching over his shoulder he has rediscovered the winning mentality just in time.
Murray, a 2016 finalist, will next face 2015 victor Stan Wawrinka.