Kazakhstan's resurgent Alexander Bublik beat Daniil Medvedev for the first time in his career to claim the Halle title on Sunday.
Carlos Alcaraz won the Cincinnati Open after top seed Jannik Sinner retired while trailing 5-0 in the first set of their final on Monday.
Aryna Sabalenka inched closer to becoming the first woman since Serena Williams (2012-14) to win consecutive US Open titles.
Twice defending champion Jessica Pegula crashed out of the Canadian Open after losing to Anastasija Sevastova 3-6, 6-4, 6-1 in the third round on Friday, while six-times major winner Iga Swiatek marched on with a dominant 6-2, 6-2 win over Eva Lys.
A visibly emotional Putintseva lost 6-0, 6-0, in a match lasting only 44 minutes.
American lucky loser Reilly Opelka put up an intense battle to stun top seed Daniil Medvedev 7-6(5), 7-6(5) and reach the semi-finals in Den Bosch on Friday.
The seven-times Grand Slam singles champion is the oldest WTA singles match-winner since a 47-year-old Martina Navratilova won at Wimbledon in 2004.
Carlos Alcaraz heads to the US Open in his now-familiar role as chief challenger to defending champion Jannik Sinner and the Spaniard will be driven this year by the twin pursuit of Grand Slam glory and the World No. 1 ranking.
Renata Zarazua, the only Mexican player in the US Open main draw, pulled off a stunning upset by beating sixth seed Madison Keys in the first round.
Jannik Sinner had to dig deep to get the better of Auger-Aliassime in the second semi-final.
Defending champion Aryna Sabalenka staged a grand fightback to beat Jessica Pegula 4-6, 6-3, 6-4 and enter the women's singles final at the US Open on Thursday.
Third seed Iga Swiatek will play against Italy's Jasmine Paolini in her first Cincinnati Open final.
Australian umpire John Blom had a funny warning to give the crowd during the match between Mirra Andreeva and Anastasia Potapova.
Novak Djokovic's battling victory under the lights of Arthur Ashe Stadium made him the oldest man to reach the last 16 at the US Open.
Venus Williams showed flashes of vintage form under the lights at Arthur Ashe Stadium on Monday but despite pushing Karolina Muchova to a deciding set.
In the evening session, men's third seed Alexander Zverev and women's fourth seed Jessica Pegula were forced off the court mid-match due to rain and the threat of lightning.
'And to all those people that have chosen to disrespect the player, in this case me, have a goooooood night!'
American lucky loser Reilly Opelka put up an intense battle to stun top seed Daniil Medvedev 7-6(5), 7-6(5) and reach the Libema Open semi-finals in Den Bosch on Friday.
Canadian Open champion Shelton was locked in an entertaining contest with Frenchman Adrian Mannarino in the day's opening match on Louis Armstrong Stadium when his tournament suddenly unravelled.
Alexander Zverev rallied from a set down to beat defending champion Alexei Popyrin in Toronto and move into the semi-finals.
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Defending champion Jannik Sinner swept past Felix Auger-Aliassime 6-0, 6-2 on Thursday to reach the Cincinnati Open semi-finals, the world number one extending his hardcourt winning streak to 25 matches.
Venus Williams confirmed her engagement to Italian model and actor Andrea Preti.
Naomi Osaka tumbled out of the Berlin Open first round on Tuesday
Defending champion Jannik Sinner and Carlos Alcaraz are aiming for a third successive Grand Slam final meeting when they take their high-voltage rivalry to the US Open while Novak Djokovic looks to foil the new generation as he hunts a 25th major.
Mboko saved a match point against Kazakh ninth seed Rybakina in front of adoring home support
It marks Osaka's first WTA 1000 semi-final since Miami in 2022, as the Japanese former world number one needed just over an hour to secure victory over the 10th seeded Svitolina.
Carlos Alcaraz and Emma Raducanu are generating major excitement - not just for their upcoming mixed doubles debut at the US Open
Carlos Alcaraz, who advanced to the last eight in Cincinnati for the third time, has now won 36 of his last 38 matches.
'We heard it was like the Hollywood of mixed doubles.'
Not many sports events can turn to a knight of the realm to lift the gloom but Wimbledon's rainy Tuesday was saved by a virtuoso performance from Sir Andy Murray which had Centre Court cooing in pleasure.
It was Alexander Zverev's first opening-round defeat at a Grand Slam since Wimbledon in 2019 and leaves him still searching for a first major after 38 attempts.
'I just love it here. Every year I come here and it's such a good week.'
Top seed Jessica Pegula contained Iga Swiatek's heavy topspin game on grass to earn a 6-4, 7-5 victory on Saturday and lift the Bad Homburg Open title.
While all eyes were on the intense battle between Alcaraz and Djokovic, the presence of celebrities added a touch of glamour to the occasion.
Medvedev outlasts Zverev to reach Halle final
India's Rohan Bopanna and his Australian partner Matthew Ebden lost to top seeds Wesley Koolhof of the Netherlands and Great Britain's Neal Skupsk.
It was then plain sailing for the Tuscan, who read his opponent's serve perfectly to break repeatedly and used his elegant single-handed backhand to perfection to set up a clash with wildcard Valentin Royer or lucky loser Daniel Elahi Galan.
Alcaraz, whose tournament so far has been typified by lapses in concentration and drops in intensity, was on the back foot as Medvedev clinched the first set in a tiebreak.