Juan Martin del Potro saved three match points in a thrilling final at the BNP Paribas Open on Sunday before handing world number one Roger Federer his first loss of the year and claiming his maiden Masters 1000 title.
Lleyton Hewitt waved goodbye to the US Open on Thursday, the tenacious Australian dragged kicking and screaming to the Flushing Meadows exit by countryman Bernard Tomic.
Germany's second seeded Angelique Kerber beat Czech Karolina Pliskova 6-3, 4-6, 6-4 to win the US Open final on Saturday, and collect her second Grand Slam title of the year.
While 40 have tried only nine times have both Williams sisters been beaten by the same player at the same tournament and that list reads like a Grand Slam Hall of Fame with names that include; Steffi Graf, Martina Hingis, Lindsay Davenport, Justine Henin and Kim Clijsters, who like Pliskova, pulled the double off at the US Open.
It was his first victory ever against a player ranked in the top two and it avenged the semi-final loss at the Rio Olympics where Murray went on to win gold and Nishikori settled for bronze.
Playing her first match of the North American hard court swing after pulling out of last week's event in Stanford with a sore right elbow, Williams played a ragged opening set in which she was broken four times while firing four double faults.
Garbine Muguruza was once again left to sift through the remains of another failed US Open campaign after the third-seeded Spaniard suffered a shock 7-5 6-4 second round upset by unheralded Latvian Anastasija Sevastova on Wednesday.
Eugenie Bouchard slumped to a first-round defeat at the US Open on Tuesday but the Canadian might yet leave Flushing Meadows a big winner with her lawsuit against the Grand Slam and United States Tennis Association still to hit the courts.
Former world No.1 Ana Ivanovic suffered a shock 6-7(4), 1-6 loss against Denisa Allertova of Czech Republic in the women's singles first round at the 2016 US Open on Tuesday. Ivanovic, the 2008 French Open winner, started off well but failed to maintain her momentum. With the scored tied 6-6, the first set went into tie-break and the Serbian star failed to keep her nerves.
Rafael Nadal was exhausted yet exhilarated following his emotional return to action at this month's Rio Olympics after an injury-absence and is looking forward to gearing back up for the US Open starting on Monday.
Images from Day 6 of the 2023 Australian Open at Melbourne Park on Saturday.
The draw for the first Grand Slam of the season was made on Thursday and the top seeds could face some early tests of their credentials when play gets underway in Melbourne on Monday.
Serena Williams capped off a season to remember by capturing her fourth WTA Championship title with a 2-6, 6-3, 6-0 win over Li Na on Sunday.
For someone who is the defending champion at Melbourne Park, Stanislas Wawrinka is remarkably upbeat about the lack of focus falling upon him.
Roger Federer doubts he is playing his 'best ever' tennis but is convinced that at 33, he is playing smarter and taking better care of himself as he looks to win a fifth Australian Open title.
A bullish Sumit Nagal says he has learnt to control his inner demons and is ready to cause "more damage" on the ATP circuit after a spirited show against Roger Federer on his Grand Slam debut.
Top-seeded world number one Williams overpowered Russian left-hander Ekaterina Makarova 6-1 ,6-3, unleashing her daunting firepower against the 17th-seeded Russian. Wozniacki advanced when China's Peng Shuai broke down in scary distress due to heat illness and retired in the second set, while trailing 7-6(1), 4-3.
Roger Federer launched his bid for an 18th grand slam title with a workmanlike 6-3, 6-4, 7-6 (4) win over Marinko Matosevic to ease into the second round of the US Open on Tuesday, with NBA great Michael Jordan leading the cheering.
Since his June trek with his wife up Mont Sainte-Victoire, the mountain that famously also served as an inspiration for Paul Cezanne, the 31-year-old has added a pair of Grand Slam titles to his resume.
'I would say winning the US Open has helped me for all these grand slams I have played so far, and I believe the rest of my career' 'It's great for me to hear that even he, and a lot of players around, even ex-players, when they were looking before the tournament started, that they were seeing me as a player that could go quite deep (into the tournament)'
Anderson is the first South African in New York's last 16 since Wayne Ferreira in 2002.
The upset left only three of the top 10 seeds still alive in the year's final Grand Slam - number one Serena Williams, who is seeking the fourth women's calendar-year Grand Slam, second seed Simona Halep and fifth seed Petra Kvitova.
Serena Williams has been vulnerable this Grand Slam season but unbeaten in the year's first three major championships.
Williams had little trouble against the 31-year-old German although the gusty breezes at Auckland Tennis Centre played havoc with her ball toss, especially when she was serving for the match at 5-3 in the second set.
The tournament will be Murray's third since hip surgery in January and mark his return to the hard courts for the first time since March 2017 at Indian Wells.
Murray had battled his way back from two sets down in the second round against France's Adrian Mannarino, but could not work another miracle against the 14th-ranked, 29-year-old Anderson, who swept the final tiebreak 7-0.
Photos from the US Open matches played on Monday
Yuki Bhambri is aghast at being excluded from the Target Olympic Podium Scheme (TOPS) after preferring the US Open over Asian Games
Argentine Juan Martin Del Potro served notice of his strong form ahead of the Australian Open when he crushed defending champion Bernard Tomic 6-3, 6-1 in the final of the Sydney International on Saturday.
Serena Williams sounded a warning for her fellow Australian Open contenders with a sleek win
A look at the top men's contenders at the 2020 French Open.
'The toughest is what's to come. I hope that I'll be able to take that and play even better'
Serena Williams enters the Australian Open as a strong favourite to lift the Daphne Akhurst Memorial Cup but is all too aware that a sixth Melbourne Park title has now eluded her for five years.
Daniil Medvedev continued his march towards a first Grand Slam title on Wednesday, powering into the US Open semi-finals with a clinical 7-6(6), 6-3, 7-6(5) victory over childhood friend Andrey Rublev.
World number one Novak Djokovic was sensationally disqualified in the US Open fourth round on Sunday after striking a line judge with a ball following a point during the first set of his match against Spain's Pablo Carreno Busta.
Sumit Nagal brought himself recognition after taking a set off Roger Federer in the opening round match of the US Open, which he eventually lost 4-6, 6-1, 6-2, 6-4. However, Haryana lad said he has yet not been approached by any new sponsors.
Factbox on Switzerland's Roger Federer,
A resurgent Marin Cilic blasted his way by sixth seed Tomas Berdych 6-2, 6-4, 7-6 (4) on Thursday to become the first Croatian to reach the U.S. Open semi-finals since his coach Goran Ivanisevic in 1996.
How the 22-year-old Indian reached the Show Court at US Open, finding himself against 20-time Grand Slam Champion Roger Federer after beginning the year outside 350.
A six-time champion at Flushing Meadows, Williams was once money in the bank when it came to the US Open