The withdrawals continue to fall ahead of the US Open this year as another player has cast doubt over her participation.
Novak Djokovic has already withdrawn from the Cincinnati Open, which is the next stop in the US Open hard court swing.
This appears to be a conscious decision that Djokovic has made, while other top 10 players have already been forced to withdraw from the US Open due to injury.
There now could be a top five ranked player on the WTA Tour that could be joining that list after she withdrew from the Cincinnati Open.
Photo by Robert Prange/Getty ImagesMirra Andreeva withdraws from the Cincinnati Open due to injury suffered in Montreal
Mirra Andreeva is predicted to be a future Grand Slam champion, and is currently at her career-high ranking of world number five.
The Russian teenager has shown why there is so much hype around her this year, with Andreeva winning Indian Wells and the Dubai Tennis Championships in back-to-back WTA 1000 tournaments.
However, all has not been well for Andreeva since her Wimbledon quarterfinal defeat, as she has suffered a concerning injury.
At the Canadian Open, Andreeva did not play a single match to reach the third round, receiving a bye as the fourth seed, before her next opponent Bianca Andreescu withdrew due to an ankle injury.
Unfortunately for Andreeva, an ankle issue was going to impact her next, as she suffered a nasty fall 4-1 down in the second set to American McCartney Kessler, who is predicted to reach the top 10 herself.
Andreeva then had her injury ankle heavily strapped and did actually complete the match, but it appears to have had lasting damage on her.
It has now been confirmed that Andreeva has officially withdrawn from the Cincinnati Open, and she is now in a race against time to be fit for the US Open.
Andreeva is also entered into the heavily criticised US Open mixed doubles event alongside her compatriot Daniil Medvedev.
What did Mirra Andreeva do at the Cincinnati Open last year?
With Andreeva already achieving so much, it is easy to forget just how young she still is at 18 years of age.
Last year was actually Andreeva’s debut appearance at the Cincinnati Open, and she certainly made an impact.
Andreeva beat a host of big names including former world number one Karolina Pliskova, two-time Grand Slam finalist Jasmine Paolini and Emma Navarro en route to reaching the quarterfinals.
That was where she pushed top seed Iga Swiatek right to the wire, only narrowly losing out in a deciding third set.
As a result of her endeavours in Cincinnati last year, Andreeva will subsequently drop 215 ranking points.
Andreeva could gain those points back at the US Open, where she lost in the second round last year, but it is still unclear as to whether she will actually be fit for the New York major that gets underway on Sunday, August 24.