The 27-year-old Romanian beat Sloane Stephens at Roland Garros to win her maiden Grand Slam title in June and will have spent 40 weeks at the top of the rankings by the end of the season.
Fourth seed Angelique Kerber's bid for consecutive Grand Slam titles ended when 29th seed Dominika Cibulkova defeated the German 3-6, 6-3, 6-3 in the US Open third round on Saturday.
In the crucial ninth game Suarez Navarro seemingly held but Sabalenka challenged an ace at 40-15 and won the discussion.
Tony Jacklin believes marriage would help Rory McIlroy, Jordan Spieth and Rickie Fowler to settle down off the golf course.
Serena Williams will be wary of another semi-final slip-up when she takes to the Arthur Ashe Stadium court on Thursday to face 10th seed Karolina Pliskova for a spot in the US Open final.
The year's final grand slam began with an upset as 13th-seeded Frenchman Richard Gasquet was upended 6-2 6-2 6-3 by Britain's world number 84 Kyle Edmund at the U.S. Open on Monday. Gasquet, who has reached the last 16 at Flushing Meadows four times in his career, was outplayed throughout and his U.S. Open experience lasted just one hour, 41 minutes.
Wimbledon champion Garbine Muguruza notched up her first ever victory on Arthur Ashe Stadium with a 6-0, 6-3 win over American Varvara Lepchenko at the US Open on Monday.
Can World No. 1 Simona Halep thrive at the All England Club? Or will Serena Williams add to her seven Wimbledon titles?
The 36-year-old has been practising hard on the grass and few would bet against her becoming the first mother to win the title since Evonne Cawley 38 years ago.
Serena, a six-times champion in New York who is seeded 17th, will start her campaign against Polish world number 60 Magda Linette and could face Venus in the third round before a possible fourth-round showdown with Romanian top seed Halep.
Tennis fans -- commoners and celebrities -- took to Twitter to convey their congratulatory messages to newly crowned Wimbledon champion Serena, who claimed a record-equalling 22nd major title with a 7-5, 6-3 victory over Angelique Kerber in Saturday's Wimbledon final.
The 28-year-old said beating American great Williams was the finest win of her career, outstripping her upset of world number one Ash Barty at last year's US Open.
World No 1 Serena Williams's 27-match unbeaten run ended with a 6-2, 6-3 defeat by Petra Kvitova in the Madrid Open.
'Maria will look at it and see no one dominant. Serena Williams is the only player in the past who has been like a thorn in her side, but she feels mentally superior to most of the other and she feels she can win against them all'
"I think she will win a Grand Slam. Which one and when I don't know, but definitely clay is a good surface for her."
Rafael Nadal extended his astonishing winning run on clay to 42 consecutive sets as he reached the semi-finals of the Barcelona Open with a 6-0, 7-5 victory over Slovakia's Martin Klizan on Friday. The defending champion will face David Goffin on Saturday after the Belgian beat Spaniard Roberto Bautista 6-7(3), 6-2, 6-2.
Having played just one tournament since mid-September due to various injuries and a recent bout of flu, Serena Williams is now itching to get back into competition with the Rio Olympics among her top priorities for the year.
Rafael Nadal will have his work cut out when play begins next week, not on the Caja Magica's three red dust courts, but on gaming consoles.
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.
Unseeded Elise Mertens has extended a breakout year to storm into the semi-finals of her Australian Open debut by keeping a cool head and honing her technical skills.
Two-time Grand Slam winner Victoria Azarenka crashed out of the French Open in the first round losing 5-7, 5-7 to Katerina Siniakova on Monday, playing only her fifth tournament of the year after a legal battle over the custody of her son.
Here is a list of US Open women's singles champions since the open era began in 1968:
Halep became the first Romanian to reach the summit of the women's rankings when she beat French Open champion Jelena Ostapenko in the semi-finals of the China Open in Beijing, a feat she feels is the high point of her career to date.
Maria Sharapova's outfit sparkled even if her play sometimes didn't during her grand slam return at the US Open but the former world number one's run to the fourth round showed she is back in business on and off the court.
World number one Simona Halep pulled out of next week's WTA Finals due to a lower back injury.
Simona Halep crushed Agnieszka Radwanska 6-2, 6-2 on Saturday to join Serena Williams in the championship decider at the WTA Finals.
Reigning US Open champion and World No. 9 Marin Cilic will represent the UAE Royals, the Dubai based franchise in the inaugural edition of the International Premier Tennis League (IPTL).
Serena Williams is chasing Australian Margaret Court's record 24 Grand Slam singles titles
Greek teenager Stefanos Tsitsipas secured the biggest win of his career when he sent Wimbledon champion Novak Djokovic packing in the third round of the Rogers Cup with a stunning 6-3, 6-7(5), 6-3 win on Thursday.
PHOTOS from day seven of the Wimbledon championships at the All England Lawn Tennis and Croquet Club in London on Monday
World No 1s Andy Murray and Angelique Kerber have been named top seeds for the first major of the season, Australian Open, which will commences on January 16.
A summary of sports stories from across the globe
Cilic's booming serve lacked its usual accuracy and Germany's Kohlschreiber was able to control long rallies, pushing the towering Croatian around the court with pinpoint groundstrokes en route to a quick victory.
Roberta Vinci beat her opponent and the rain to storm into the quarter-finals of the US Open on Monday just before a thunderstorm forced play to be suspended.
World number ones Serena Williams, aiming to complete the first calendar-year Grand Slam in 27 years, and Novak Djokovic have been named the top seeds for the US Open championships starting on Monday in New York.
'I was aggressive. I had this in my mind, and I wanted to finish the points quicker, but was not that easy with her. She's moving very well. She was returning every single ball'
Novak Djokovic and Serena Williams are top seeds at the major starting Monday
Take a look at images from events that caught our attention in the week gone by.
IMAGES from matches on Day 9 at the French Open at Roland Garros
The start to the 13 Tests long season could not have been better for India. A convincing win in their 500th Test over New Zealand with spinners Ravichandran Ashwin and Ravindra Jadeja weaving their magic on a turning track to hand India a 1-0 lead in the three-match Test series. Pakistan captain Misbah-ul-Haq receiving the Test mace for their meteoric rise to No.1 ranking in cricket's traditional format. Also, football took precedence once again, a struggling Manchester United ran riot at Old Trafford as they beat Premier League champions Leicester 4-1. An outstanding first-half performance by Arsenal helping them beat London rivals Chelsea. Other top teams like Manchester City and Liverpool also taking full points.