Jo-Wilfried Tsonga, Marin Cilic and Milos Raonic are some of the big names who have advanced to the second round of the Paris Masters.
Frenchman Tsonga beat Russia’s Andrey Rublev 4-6, 7-5, 6-4 to win his first ATP Masters 1000 match in more than two years.
Cilic eased past Poland’s Hubert Hurkacz 7-6, 6-4 to set up a meeting with three-time Grand Slam champion Stan Wawrinka, while Canadian Raonic crushed Britain's Cameron Norrie 6-3, 6-2.
Elsewhere, Jeremy Chardy overcame American Sam Querrey 5-7, 6-3, 7-5 and will face fourth seed Daniil Medvedev next.
Benoit Paire has set an all-French showdown with 13th seed Gael Monfils.
Saudi Arabia booked their place in the Arabian Gulf Cup final after defeating Qatar 3-2 on penalties following a goalless draw after extra time in Saturday's first semi-final at King Abdullah Sports City Stadium, Jeddah.
Harry Kane and Bukayo Saka scored twice apiece as England dismantled Croatia 7-0 in Rijeka on Saturday, with Jude Bellingham scoring one goal and creating three more in a rampant Nations League display.
Three-times Grand Slam champion Elena Rybakina crashed out of the China Open with a shock 3-6 6-4 6-3 defeat by unseeded Alina Charaeva in the second round on Saturday, marking a disappointing start to her reign as world number one.
Samuel Lino scored his first two goals for Brazil as India's frantic effort to hold off the five-time world champions faded after a spirited start, allowing the visitors to cruise to a 4-0 win in a friendly on Saturday.