placed around her right knee which had already been wrapped to start the match.
Williams committed more errors and was not willing or able to move her best around the court which resulted in her losing four games in a row to trail 2-4.
Serving at game point, Williams struck a crosscourt inside out forehand winner to hold serve and reach 3-4.
The 43 year old American was unable to break serve as she lost the opening set 4-6 after 48 minutes of play.
The 28 year old Svitolina; a Wimbledon semifinalist in 2019, took a 2-0 set two lead before breaking serve again to lead 5-1.
Williams held serve then broke serve to reach 5-3.
However, serving to stay in the match, Williams netted a crosscourt forehand before Svitonlina struck a down the line backhand winner to lead 0-30.
Svitolina struck a crosscourt backhand long before hitting a crosscourt backhand dropshot winner to lead 15-40 and reach matchpoint.
There was a slight controversy following the final point of the match as Svitolina struck a down the middle forehand return that the linesjudge called out.
Williams was somewhat jammed by the shot and struck a backhand crosscourt inside out which landed wide.
Svitolina challenged the call which upon video review was shown to be incorrect. Her forehand landed on the baseline.
Williams appeared to be ready to replay the point; however the chair umpire ruled
that the point should be awarded to Svitolina due to the chair umpire's belief that Williams was
not distracted by the out call and did not have a good play on her shot.
Williams managed a brief smile then shook Svitolina's hand at the net.
However Williams refused to shake the chair umpire's hand as Williams had not agreed with the chair umpire's final point ruling.
The match ended abruptly after one hour and 32 minutes of play.
Williams had struck 16 winners but also 33 unforced errors including eight double faults to two aces.