Fifth seed Ugo Humbert reached the second round of the Dubai Duty Free Tennis Championships by beating fellow Frenchman Gael Monfils 4-6, 6-3, 6-3.
Humbert avenged his recent loss to Monfils in the Doha Open quarter-finals to improve to 3-1 in their career head-to-head.
The World No. 18 will face three-time Grand Slam winner Andy Murray next.
Elsewhere, qualifier Arthur Cazaux marked his first appearance in the main draw of an ATP 500 tournament with an impressive 6-4, 7-6 victory over World No. 26 Lorenzo Musetti.
Meanwhile, fourth seed Karen Khachanov overcame a spirited performance from Luca Van Assche in a 6-2, 6-3 victory.
Khachanov, who won the Qatar Open last week, will face Czech Jiri Lehecka – who overcame a stern challenge from Hungarian qualifier Marton Fucsovics – in the round of 16 on Wednesday.
New Zealand overcame a blitz from centurion Harry Brook to beat England by four wickets on Sunday in the opening game of their three-match one-day international series, with Daryl Mitchell and Michael Bracewell scoring half-centuries.
Belinda Bencic breezed past Czech sixth seed Linda Noskova 6-2 6-3 to win the Pan Pacific Open title on Sunday, erasing bitter memories of her straight-sets defeat by Agnieszka Radwanska in the title clash of the same tournament 10 years ago.
Liverpool manager Arne Slot said opponents have identified a winning strategy against his Premier League champions and he needs to find a solution fast after a 3-2 defeat at Brentford on Saturday made it four league losses in a row.
Rohit Sharma hit a century and Virat Kohli a bright 74 to drive India to a nine-wicket win in the third one-day international on Saturday, sending fans home happy after what are likely to be their final appearances in Australia in their country's colours.