Last year, an unexpected power outage across Spain plunged the Madrid Open into darkness, leaving tennis players and fans in the dark. Coco Gauff revealed the details of the scary day. This year, a stomach illness is wreaking havoc in the draw. Yesterday, Iga Swiatek had to retire mid-match against Ann Li due to gastrointestinal issues. On Sunday, Gauff became the latest star afflicted with the stomach bug during her third-round match against Sorana Cîrstea. Coco Gauff on battling illness to beat Cirstea in Madrid "I know you're not feeling 100% but champions find a way and that's exactly what you did today. Tell us how you were able to do that." Coco: "I don't know. Honestly, I was just trying to finish the match and one point… pic.twitter.com/9iFX3v98IG — The Tennis Letter (@TheTennisLetter) April 26, 2026 Gauff had to call a medical timeout and vomit off the court during the second set. She took some medication to help her finish the match. Ultimately, Gauff won in three sets:  4-6, 7-5, 6-1.…