Tallon Griekspoor staged a grand recovery, saving four match-points, before stunning top seed Daniil Medvedev 2-6, 7-6(7), 7-5 to reach the semi-finals of the Dubai Championships on Thursday.
Safiullin upsets Muller, Moutet through in Mallorca
Novak Djokovic was stunned 7-6(4), 6-2 by Matteo Berrettini in the Qatar Open first round on Tuesday as the Italian enjoyed his first win over the former world number one.
Frances Tiafoe launched into a foul-mouthed tirade directed at a chair umpire after the American received a time violation and then lost to Roman Safiullin in the third round of the Shanghai Masters on Tuesday.
Former champion Naomi Osaka was sent packing from Indian Wells after losing in straight sets to Colombia's Camila Osorio.
Images from the Olympics tennis action at the Roland Garros, Paris, on Wednesday.
Sinner has made the most of a favourable draw at the grasscourt major this year
N Sriram Balaji made a strong case for his inclusion in the Indian men's doubles team for the Paris Olympics along with Rohan Bopanna by logging his maiden win at the French Open but Yuki Bhambri, the other contender for the berth, made a first round exit in Paris on Friday.
Novak Djokovic beat 14-times French Open champion Rafael Nadal in straight sets at the Paris Olympics on Monday.
In his mixed doubles, Rohan Bopanna and Indonesian Aldila Sutjiad beat German pair Andreas Mies and Vera Zvonareva 7-5, 6-2 in US Open first round match on Thursday.
A summary of the day's tennis action at Roland Garros.
The sixth seeds needed a little over an hour to overcome the unseeded pairing of Roman Safiullin of Russia and Kazakhstan's Andrey Golubev 6-3, 6-3 in a second round match.
Naomi Osaka felt the nerves but looked solid on her return to elite tennis after 15 months out as she got past Germany's Tamara Korpatsch 6-3 7-6(9) in the first round of the Brisbane International.
IMAGES from Day 4 of the Wimbledon Championships, at the All England Lawn Tennis and Croquet Club, London, on Thursday.
Norrie's semi-final opponent will be another American, fourth-seeded Tommy Paul, who crushed Stefan Kozlov 6-3, 6-1 in an all-US matchup.
Grigor Dimitrov dispatched American 10th seed Frances Tiafoe in straight sets with a convincing 6-2 6-3 6-2 victory on Sunday.
Hurkacz, Swiatek win as Poland march into United Cup final
Frances Tiafoe, Taylor Fritz, Tommy Paul and Coco Gauff all advanced to the third round of the US Open on Wednesday to keep home hopes alive.
World No 1 Iga Swiatek overcame a strong early challenge from former champion Sofia Kenin to reach the second round of the Australian Open
Russian Daniil Medvedev's 2022 season opened with a stunning defeat at the hands of Frenchman Ugo Humbert after a three-hour dogfight in a steamy Ken Rosewall Arena at the ATP Cup on Sunday.
Images from Day 4 of the 2021 French Open in Paris on Wednesday.
Images from Day 1 of the French Open matches played at Roland Garros on Sunday
Images from Day 4 of the Australian Open in Melbourne on Thursday.