Murray said: "Physically, I feel great". The two last faced one another in the 2016 ATP Finals. I have never seen that. "It's winning when you're not playing your best is more impressive". He's a great player. I won a very close tiebreak.
'I think he's probably a bit less confident.
Wawrinka's service numbers have lowered when playing Murray in the past, especially the last match when he won just 11 of 25 second serve points.
"I don't know how I came back", said Halep.
Murray largely dispensed with the chuntering and lapses that accompanied his first two matches as he maintained the momentum established in beating Juan Martín del Potro with an assured display on Court Philippe Chatrier.
"But still it was a really, really tough battle".
The third-seeded Halep, who trailed 5-0 in the first set, was down 5-1 in the second. "It was hard conditions".
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"It was tough one today, but fought through and it's good to have one day off tomorrow and ready for next match". "Maybe I was a little lucky but I didn't give up". Three days in a row. Today's match wasn't particularly long, and there were not many long rallies. But I'm sure it's going to be OK. I'm happy to be in the semis again. In 2010, he had made the final of US Open men's doubles with Pakistani partner Aisam-ul-haq-Qureshi and lost to legendary Bryan brothers. He plays well on the clay. You know, very solid off both wings.
By reaching the semifinals of the French Open, Murray has already defied the expectations of many who felt his lack of form, up-and-down health and a recent elbow injury might leave him undercooked in Paris.
For his part Nishikori has only ever beaten Murray twice but one of those wins came at last year's US Open when Nishikori got home in five sets 1-6 6-4 4-6 6-1 7-5.
Wawrinka awaits in the last four.
And they're all well aware. "Hopefully I can take advantage of that and find solutions to beat him". "It's a big opportunity".
Seven of the top eight seeds remain in the men's draw.
There's Murray and Wawrinka on the top half of the bracket.
Spain's Rafael Nadal maintained his quest for a 10th French Open crown after fellow countryman Pablo Carreno Busta was forced to retire after receiving treatment for what appeared to be an abdominal problem.