Dhaka, Feb. 8 -- 2019 US Open champion Bianca Andreescu's return to the Hologic WTA Tour will be delayed until the spring clay-court season after a recent emergency appendectomy.

After withdrawing from the season-opening ASB Classic in Auckland, and the Australian Open for the second year in a row, the Canadian had been expected to make a comeback at the end of this month at the WTA 500 Merida Open Akron.

But, as she revealed to fans in a post to her Instagram story on Thursday, unexpected "sharp pain" in her stomach prompted her to pause the training that was going "so well." It eventually resulted in the surgery to remove her appendix.

"The surgery went smoothly, and I'm on the road to recovery," the 24-year-old wrote, saying that sh...