This is the fourth straight year Serena Williams has topped the list.
Ashleigh Barty’s No 1 ranking is in jeopardy with the defeat to Sofia Kenin.
Thiem will face challenger Shapovalov as he remains confident to win a first ATP match in Canada.
Yastremska squanders four match points but took the fifth opportunity defeating Konta 6-3 6-2 bracing through to the tournament's second round.
The 15th seed shook off her slow start, rallying from 2-4 down in the opening set to book her second-round berth in 90 minutes.
The 20-year-old Greek is the youngest player in the top 20.
Zheng clinched the victory in the second set tiebreaker when Sabalenka doubled faulted on the first championship point.
Nick Kyrgios says this was his best memory of a final as he wins the ATP Washington Open title climbing 25 positions to 27 on tennis's new rankings.
Camila Giorgi will play against 79th-ranked American Jessica Pegula in the final.
In an epic match filled with drama it was Kyrgios who came out on top.
Nadal wants to retain the title he earned last year in Toronto with Novak Djokovic and Roger Federer both skipping the tournament.
Stefanos Tsitsipas' left shoelaces broke at a crucial moment in his match against Benoit Paire, causing a delay and drawing his opponent's ire.
Murray has practised singles this week to improve his conditioning after the long layoff, while Tsitsipas booked his place in the semis at the ATP Washington Open.
Although disappointed for not being able to play tennis for a while, Petra Kvitova has decided to rest her arm instead of taking part in the Rogers Cup.
World number four Halep said the decision to play in the first WTA event in South Australia had been made easier by her fondness for the city.
'I kept doing silly mistakes in the tie-breaker. I was not happy about it. I made a lot of unforced errors,' he says.
Both Svitolina and Sabalenka move on to the quarterfinals of the tournament with straight-set victories on Wednesday.
Andy most recently played singles at the Australian Open in January, losing a first-round five-setter to Spaniard Roberto Bautista Agut.
Stephens suffers a 6-2, 7-5 first-round loss to Swede Rebecca Peterson while Wimbledon teen sensation Gauff falls 6-4, 6-2 to Zarina Diyas of Kazakhstan.
Murray does not want to make his return to singles action at a best-of-five sets Grand Slam.
Stefanos Tsitsipas says he has matured a lot from last season.
An Indian tennis team last toured Pakistan in 1964 for the Davis Cup when they defeated the hosts 4-0 while Pakistan lost 3-2 in their last visit in 2006.
Alex de Minaur will face either American Taylor Fritz or Britain's Cameron Norrie for the ATP Atlanta final.
Nikoloz Basilashvili will take on Andrey Rublev for the Hamburg European Open title after defeating crowd favourite Alexander Zverev today.