Venus Williams of the United States will take on Rebecca Marino of Canada in the opening round of the 2022 WTA Washington Open on Tuesday.
The Scot had taken part in the 2022 Hall of Fame Open last month where he was seeded sixth and reached the quarter-final.
Elise Mertens, the fifth seed, will take on Liudmila Samsonova of Russia in the 2022 WTA Washington Open's opening round on Monday.
The 2022 WTA Citi Open's first round will feature Greet Minnen and number six seed Kaia Kanepi on Monday.
In the opening round of the 2022 WTA Washington Open on Monday, world number 84 Harriet Dart of Great Britain will face world number 100 Lin Zhu of China.
On Monday, the 2022 WTA Washington Citi Open's opening round will feature Jessica Pegula and Hailey Baptiste.
In the opening round of the 2022 WTA Citi Open on Monday, world number 16 Simona Halep will compete against 120th-ranked qualifier Cristina Bucsa.
The competition is a part of the US Open Series leading up to the US Open grand slam in September, the WTA 250 of the 2022 WTA Tour, and the ATP Tour 500 series.