Top seed Rafael Nadal is through to the Paris Masters quarter-finals after recording the 1,001st win of his Association of Tennis Professionals (ATP) Tour career.
The Spaniard swept aside Australian Jordan Thompson 6-1, 7-6 (7-3).
Compatriot Pablo Carreño Busta, who is enjoying one of the best years of his career, awaits in the last eight after beating Slovakia's Norbert Gombos 7-5, 6-2.
Stan Wawrinka produced the result of the day, fighting back from a set down to defeat Russian fifth seed Andrey Rublev.
Wawrinka, a three-time Grand Slam winner, triumphed 1-6, 6-4, 6-3 and will play Germany's Alexander Zverev for a place in the semi-finals.
Zverev, who beat France's Adrian Mannarino, was the US Open runner-up earlier this year; of the eight players left in the ATP Masters 1000 tournament, five have reached a Grand Slam semi-final this year.
Argentina's Diego Schwartzman is one of them and Russian Daniil Medvedev another.
Medvedev beat Australian Alex de Minaur, while Medvedev conquered Alejandro Davidovich Fokina of Spain.
Twenty-two-year-old Ugo Humbert is the sole Frenchman left standing, following a 6-3, 6-7 (4-7), 6-3 victory against Marin Čilić of Croatia.
Canadian Milos Raonic awaits in the quarter-finals following a straight-sets win versus American Marcos Giron.
The quarter-finals are due to take place in the French capital tomorrow.