The U.S. Tennis Association has to decide if it will give the disgraced tennis star wild card entry.
The Canadian is a fierce critic of Sharapova, saying the Russian should not have been welcomed back to tennis after her doping ban.
The Russian returned from a doping ban in April.
The Russian was given a wildcard to compete at the Italian Open.
The Canadian had called her Russian opponent a 'cheat.'
Sharapova beat Roberta Vinci upon her return from her doping ban on Wednesday.
The tennis star was sidelined for using the drug after anti-doping authorities blacklisted it.
Anti-doping has become an arbitrary process, so why not change the rules?
Sharapova can return on April 26.
Several of her opponents, including U.S. swimmer Lilly King, have taken shots at her.
Around 57 percent of people are less interested in the Games now.
The sports manufacturers will continue their agreements despite two-year ban.
A hearing into the meldonium case is expected this week.
The World Anti-Doping Agency has backtracked over a lack of scientific evidence.
Anti-doping bodies must become more accountable to the athletes they serve.
The company suspended its relationship in the wake of the news.
Nils Usakovs has been using the positive test for publicity.
Tennis player Maria Sharapova has admitted using meldonium under a different name to treat an irregular heartbeat.
Andy Murray criticized his own sponsor for standing by Maria Sharapova.
The Spaniard also defended himself against past doping allegations.
The tennis world No. 6 faces a provisional suspension on March 12.