After her semi-final defeat in Dubai, Coco Gauff did not hide her frustration. The world No 4 fell 6-4, 6-7(13), 6-4 to Elina Svitolina in a three-hour battle at the WTA 1000 event, but it was her struggles on serve and her emotional reaction that drew attention. Gauff was broken six times, hit 12 double faults, and won just 43 percent of her second-serve points. After double-faulting at 3-3 in the second set, she turned toward her box and directed her frustration at her biomechanics coach. “I’ve been doing everything you wanted for six months… I’m not better at all,” she said. The serving issues have followed her across seasons. Gauff recorded the most double faults on the WTA Tour in 2024 (430) and 2025 (431), and the pattern resurfaced at critical moments against Svitolina. Despite...