23:42 CET - The final two matches of the night both went the distance, and were both ultimately ended wth the seeded player beating the young talent.
World number six Alex De Minaur saw off Canada's Gabriel Diallo 7-6, 4-6, 6-3 in just under three hours, while Karen Khachanov saw off Brazilian sensation Joao Fonseca 6-1, 3-6, 6-3, ending the 19-year-old's six-match winning run that saw him become an ATP 500 champion in Basel.
21:16 CET - In a huge result in the race to make the ATP Finals, world number eight Lorenzo Musetti has been beaten 3-6, 6-3, 6-1 by compatriot Lorenzo Sonego.
That leaves multiple players in with a real chance of taking his spot in Turin, including Alexander Bublik, who has just won 6-3, 7-5 against home favourite Corentin Moutet.
19:09 CET - Second seed Jannik Sinner has moved into the last 16 in Paris with relative ease, seeing off Zizou Bergs 6-4, 6-2 in just 89 minutes. That's now 22 consecutive wins on indoor hard courts for the Italian.
18:17 CET - Alejandro Davidovich Fokina is the latest man to progress in Paris, with the Spaniard proving too strong for France's Arthur Cazaux in a 7-6(5), 6-4 triumph.
17:13 CET - Alexander Zverev is through in Paris, but not as easily as was widely expected, with the reigning champion having to fight hard to claim a 6-7, 6-1, 7-5 win over Argentina's Camilo Ugo Carabelli.
16:19 CET - The top seed has won the last match of the day in Chennai, with Zeynep Sonmez of Turkey beating Tatiana Prozorova 7-5, 6-4.
15:58 CET - Felix Auger-Aliassime wins an absolute epic! The world number 10 has defeated Alexandre Muller in three hours and six minutes, winning 5-7, 7-6, 7-6.
With that win, the Canadian has kept alive his hopes of qualifying for the ATP Finals.
15:23 CET - The world number 21 has survived a big test in the French capital, with Francisco Cerundolo winning 7-5, 1-6, 7-6(4) against Miomir Kecmanovic.
14:14 CET - After their shock Shanghai final, Valentin Vacherot has beaten his cousin Arthur Rinderknech again, winning 6-7(9), 6-3, 6-4 in a thrilling contest that lasted for just short of three hours.
14:02 CET - Diane Parry has progressed in Chennai, while fifth seed Lucia Bronzetti has been knocked out.
13:37 CET - After returning from his three-month injury layoff in his first-round win, Grigor Dimitrov has withdrawn from his match with Daniil Medvedev, meaning the Russian moves into the round of 16.
12:56 CET - In the final match of the day in Jiujiang, fifth seed Yulia Putinsteva has beaten Wushuang Zheng 6-2, 6-0.
In Hong Kong, meanwhile, second seed Leylah Fernandez has claimed a 6-4, 6-1 victory over young German Eva Lys to move into the quarter-finals.
12:43 CET - Eighth seed Casper Ruud has been knocked out in Paris, losing 6-3, 7-5 to world number 50 Daniel Altmaier.
That's a costly loss for Ruud, as it ends his chances of qualifying for the ATP Finals barring withdrawals.
11:40 CET - Donna Vekic has advanced in Chennai after a relatively routine 6-1, 6-2 victory over lucky loser Vaishnavi Adkar.
10:56 CET - Seventh seed Sorana Cirstea is into the Hong Kong quarter-finals, with the Romanian coming from a set down to defeat Ajla Tomljanovic 4-6, 6-4, 6-3.
Meanwhile, in Jiujiang, Viktorija Golubic has moved into the last eight after a 6-0, 4-6, 7-5 triumph over Elena Pridankina.
09:54 CET - Over in Chennai, Kimberly Birrell, Linda Fruhvirtova, Joanna Garland and lucky loser Arina Rodionova have all secured first-round wins this morning.
08:33 CET - Aussie teenager Maya Joint is through to the quarter-finals in Hong Kong after a convincing 6-1, 6-4 victory over Viktoria Morvayova.
Cristina Bucsa has also advanced, beating eighth seed Emiliana Arango 6-2, 6-4, while Tamara Korpatsch and Lilli Tagger have claimed wins in Jiujiang.
07:20 CET - Good morning and welcome to our coverage of today’s packed schedule of tennis!
There is no shortage of big names in action at the Paris Masters throughout the day, with Jannik Sinner beginning his campaign against Zizou Bergs at 14:00 CET, while defending champion Alexander Zverev, sixth seed Alex de Minaur, and ATP Finals hopeful Felix Auger-Aliassime also take to the court.
Elsewhere, Leylah Fernandez and Maya Joint play their second-round matches in Hong Kong, while there are plenty of intriguing clashes to look out for in Chennai and Jiujiang, too.