Medvedev, winner of the US Open two months ago and holder of the Parisian trophy, will face world No.4 Alexander Zverev or Norwegian Casper Ruud (No.8) on Saturday for a place in the final.
The other semi-final will oppose the world No.1 Novak Djokovic to the Polish Hubert Hurkacz (10th).
Gaston (21), who was playing his sixth game since the start of the tournament after getting out of qualifying, missed his chance in the first round: he got three set points in a row after breaking Medvedev to lead 5 games to 4. In vain, the fault in particular of a series of amortizations - yet one of his trademarks - badly affected.
The French Hugo Gaston, during his defeat (7-6 (9/7), 6-4) against the Russian Daniil Medvedev, in the quarter-final at the Masters 1000 in Paris, on November 5, 2021 at the AccorHotels Arena Anne- Christine POUJOULAT AFP
The Toulouse left-hander does not however leave Bercy empty-handed: arriving 103rd in the world, he will find a place in the top 70 on Monday, and obtained the very last sesame for the Masters reserved for young talents of the ATP circuit, organized next week. In Milan.
The young Frenchman, for the first time in his career in the quarter-finals in Masters 1000, had distinguished himself during the 2020 edition of Roland-Garros, exceptionally rescheduled in the fall because of the Covid-19, by offering himself Stan Wawrinka to invite himself in the round of 16, then pushing Dominic Thiem there until the fifth set.
He then pointed beyond the 200th place in the world.
© 2021 AFP