Kaitlyn Christian, Quang Duong and AJ Koller withdrew from singles at the Veolia North Carolina Open on Tuesday.

Christian was seeded third in the women's draw, while Duong and Koller were seeded sixth and 36th respectively in the men's draw.

Earlier in the day, No. 1 seed Anna Leigh Waters and No. 7 seed Catherine Parenteau withdrew from singles on the women's side as well.

No. 4 seed Ben Johns withdrew from singles on Monday, along with several other notable players.

Main draw action from Cary Tennis Park begins with singles on Wednesday at 11am ET on Pickleballtv.