Coco Gauff brilliantly came from behind in the first set to earn a straight-sets win over Mirra Andreeva in the Madrid Open quarter-final on Wednesday.

She won the battle in the youngest WTA 1000 last-eight match since 2009, earning a 7-5 6-1 triumph in just over an hour and a half.

Andreeva broke Gauff in the first game, but after defending four break points in the second, she could not hold the American off a fifth time.

The world number seven found her edge again when she broke to love to take a 5-4 advantage, but she could not convert on either of her set-point attempts and instead lost her serve as Gauff restored parity once more.

Gauff then edged in front, with Andreeva unable to hold serve again in the final game, and the Russian never regained her momentum.

The world number three raced into a 5-0 lead in the second set, and though Andreeva clawed a game back, Gauff served out the match, sealing it on the second attempt.

She will now face Iga Swiatek in the next round. It will be the sixth WTA-1000 last four meeting between the pair – the outright-most played semi-final between two opponents at such events, since the format’s introduction in 1990.

FIVE PERFORMANCE@CocoGauff navigates an in-form Mirra Andreeva 7-5, 6-1 for a spot in the semifinals where she will face Swiatek!#MMOPEN pic.twitter.com/fGo7Go0ErL

— wta (@WTA) April 30, 2025

Data Debrief: Gauff wins battle of young guns

Since the introduction of the WTA 1000 tier in 2009, this match had the second-youngest combined age between two opponents in a quarter-final. The youngest was between Anastasia Pavlyuchenkova and Agnieszka Radwanska at this stage at Indian Wells in 2009.

Gauff (21 years and 39 days) has become the youngest player to claim 25 career WTA top 10 wins since Ana Ivanovic (20 years and 349 days) in 2008.

She is also the second-youngest player to have reached semi-finals in both Madrid and Rome, with only Caroline Wozniacki (20 years old) obtaining both results at a younger age.

It will be her ninth appearance in the last four of a WTA 1000 event, and her third on clay - she lost to Swiatek in her previous two on the surface, both in Rome (2021, 2024).