Teenager Iga Swiatek continued her dream run at Roland Garros as a dominant straight-sets win over Martina Trevisan moved her into the semi-finals.
Swiatek recovered from a slow start that saw her lose serve in the opening game to dictate the contest, wrapping up a 6-3 6-1 victory in an hour and 18 minutes.
The Polish player had reached the quarter-finals of a grand slam for the first time in her career with a stunning demolition of two-time major champion Simona Halep in the previous round.
Trevisan, seven years the 19-year-old Swiatek's senior, was also making her debut in the last eight of a slam, having come through qualifying and then defeated Camila Giorgi, Coco Gauff, Maria Sakkari and Kiki Bertens to reach this stage.
As Trevisan's dream ended, Swiatek progressed to a clash with another qualifier for a place in the final, with Argentina's Nadia Podoroska having stunned third seed Elina Svitolina earlier on Tuesday.
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Trevisan began brightly and saved a break-back point in the second game. When she held to love for a 3-1 lead, the Italian looked primed to take the opening set.
But Swiatek continued to apply the pressure and it told in the form of successive breaks, sandwiched by a hold to love.
She staved off two break points to serve out the set as Trevisan sent an errant forehand into the tramlines.
Swiatek raced into a 3-0 lead to start the second; and, though her run of eight straight games was ended by Trevisan, it proved only a brief interruption of her momentum.
The movement, ingenuity and defence of Swiatek was too much for Trevisan as she moved a win away from becoming Poland's first grand slam singles finalist since Agnieszka Radwanska at Wimbledon in 2012.
Data slam: Trevisan's service game stumbles prove costly
Trevisan landed slightly more first serves than Swiatek, getting 68 per cent in play compared to 62 for the Pole. However, it was Switaek who was far more clinical in taking opportunities on both first and second serve. She won 62 per cent of points on first serve and 58 on second while Trevisan crucially won fewer than half of her points on each (42 per cent on first, 47 per cent on second).
WINNERS/UNFORCED ERRORS
Swiatek - 20/19
Trevisan - 16/20
ACES/DOUBLE FAULTS
Swiatek - 1/0
Trevisan - 1/1
BREAK POINTS WON
Swiatek - 6/11
Trevisan - 2/9