Unseeded Latvian Jelena Ostapenko became the first teenager to reach the French Open women's semi-finals since 2007 with a shock win against former world number one Caroline Wozniacki.
The 19-year-old lost the first five games of her first major quarter-final before going on to win 4-6 6-2 6-2.
She will play Swiss 30th seed Timea Bacsinszky, who won 6-4 6-4 against France's Kristina Mladenovic.
"I'm really happy, I can't believe it," world number 47 Ostapenko said.
More to follow.