Frenchman Fabrice Santoro crushed Novak Djokovic 6-3, 6-2 in the second round of the Paris Masters.
Italy's Matteo Arnaldi produced a sensational performance to take out sixth seed Andrey Rublev and reach the last 16 of the French Open on Friday.
Roger Federer's hopes of knocking Novak Djokovic off the top of the ATP world rankings before the end of the year took a hit when he lost to big-serving Canadian Milos Raonic in the Paris Masters quarter-finals on Friday.
The 22-year-old, 6ft 6in Russian, already the owner of two indoor hard court titles this year, moved one step away from the biggest title of his career at the Bercy indoor arena, crushing his Austrian friend in 70 one-sided minutes.
Earlier, a series of unforced errors and bad line judgements put Srikanth, world ranked 24, on the back foot as world No. 20 Ka Long looked in fine fettle during the 38-minute men's singles match.
Thailand's Paradorn Srichaphan says he will be fit to defend his Asian Games singles title in Doha next month.
Briton Andy Murray will take over from Novak Djokovic as World No 1 when the rankings are updated on Monday after his Paris Masters semi-final opponent Milos Raonic withdrew with a leg injury on Saturday.
With the ATP Finals coming up next month, Nadal said on his Facebook page he had made the decision to pull out of next week's Basel tournament after getting medical advice.
With 1,500 points available for an undefeated champion next week, the tournament could produce a thrilling climax with Murray and Djokovic, who have never met at the O2, facing off in the final for the year-end number one ranking.
Andy Murray continued his remarkable run on clay.
The towering Croatian, who has won 20 of his last 22 matches, will meet the unfancied Tomas Berdych in the Paris Masters final.
The world number three will meet Slovakian 16th seed Dominik Hrbaty in the third round of the Paris Masters.
"It happened to me but I will not tell you where or how," Arnaud Clement told reporters after his first-round defeat by Russia's Mikhail Youzhny at the Paris Masters Series tournament.
The two tennis aces are raring to go for next week's Masters Cup, which pits the best eight players in the world against each other.
The unseeded Henman beat Wimbledon champion Roger Federer while Roddick beat Jonas Bjorkman in the Paris Masters.
'Whilst I feel fit and healthy, I would like to give it a go.'
The Indo-Belarussian pair beat Andrei Pavel of Romania and Nenad Zimonjic of Serbia Monetnegro in straight sets in the first round of the Paris Masters.
The Briton inflicted the American his first defeat since he became world No. 1, winning their Paris Masters semi-final.\n\n
Sindhu, Sen look to regain lost touch in Canada Open
Third seed and Australian Open champion Wawrinka recovered from the loss of the opening set to claim his maiden Masters title on the Monte Carlo clay just six weeks before the start of the May 25-June 8 grand slam tournament in Paris.
Holger Rune crashed out to Yoshihito Nishioka in the ATP 250 Adelaide International 1 first round.
Roger Federer has secured his place in the ATP Finals for a record 15th time after the Swiss world number three won a record eighth Wimbledon title on Sunday, the Association of Tennis Professionals confirmed on Monday.
At the summit, the US is able to play the role of a bully.
There is no let-up for Roger Federer as he prepares for his 12th consecutive appearance at the ATP's season-ending extravaganza.
Sonego's first top-10 victory capped a dream week for the 25-year-old, who lost the final qualifier but entered the main draw as a lucky loser.
Take a look at the five top contenders for the men's singles title at the French Open:
Serbian tennis superstar Novak Djokovic has said that he thinks former World No.1 Roger Federer, who he faces on Tuesday at the ATP World Tour Finals, is noticeably slower on court.
Swiss Roger Federer came back from a slow start to beat Denis Istomin of Uzbekistan 4-6, 6-3, 6-2 in the second round at the Swiss Indoors tournament in Basel.
India's star shuttler H S Prannoy doesn't want to think about Paris right now and is instead focussing on "short-term targets" like breaking into the world's top three.
The Archeological Survey of India (ASI) has asked the Bihar government to quickly submit its plan to conserve Nalanda Mahavihara in order to keep the World Heritage site status for the remains of the ancient centre of learning.
Rafael Nadal is expected to be released from a clinic in Barcelona on Tuesday after undergoing a successful appendectomy, the world number three's spokesman said.
Andy Murray took another step towards securing a World Tour finals berth when he fought off a typically dogged David Ferrer to win 6-4, 7-5 and move into the final of the Valencia Open on Saturday.
Andy Murray's charge towards the world number one ranking continued as he beat Frenchman Jo-Wilfried Tsonga 6-3 7-6(6) to claim the Vienna Open title on Sunday. The Briton, seeking to end Serbian Novak Djokovic's stranglehold on the number one spot by the end of the year, was cruising towards his third consecutive title before Tsonga turned the match into a real fight.
After Sunday's thrashing Medvedev was left wondering if his best would have made any difference.
'My God, we could win half the world over just by our food alone.'