Coco Gauff says she was left emotionally drained after a wave of racist messages followed a contested line call during her China Open fourth-round win over Sun Xinran, a situation that spilled over into her next match, a straight-sets loss to Elise Mertens. The American's account highlights a recurring problem in professional sport: how digital platforms amplify abuse directed at athletes within hours of a disputed on-court moment.
What triggered the backlash
The flashpoint came when Gauff raised her hand to halt play, distracted by flickering stadium advertising boards, just as the 16-year-old Sun appeared to hit a winner. The umpire allowed a replay of the point, a decision within the rules but one that drew boos from the Beijing crowd. Gauff later clarified she had signalled before Sun's shot landed, after noticing the lights flicker a second time. That explanation did little to stop an "insane" volume of racist messages arriving on her social media accounts, as she described it, prompting her to state plainly: "I'm not a cheater or a thief."
A governing body's response and its limits
The Women's Tennis Association said it was "appalled" by the abuse and had contacted Gauff to offer support. That statement matters, but it also exposes a structural weakness shared across professional sport and the wider digital entertainment industry: governing bodies can condemn abuse, yet they have little direct power over the platforms where it occurs. Social media companies set their own moderation policies, and enforcement against targeted racial abuse varies by platform, language and region. Athletes are frequently left to self-police exposure, muting notifications or logging off entirely, as Gauff described doing.
This is not an isolated episode in tennis. Other high-profile players have reported similar waves of abuse following contentious points, upsets, or betting-related losses, raising a recurring question for the sport's authorities, tournament organisers and technology platforms alike: who is responsible for protecting competitors once the match ends and the online reaction begins?
The betting-adjacent risk worth naming
Elite tennis carries heavy betting volume, and controversial line calls or unexpected results can intersect with wagering outcomes, sometimes sharpening the tone of abuse aimed at players. While nothing in this incident suggests betting-driven harassment specifically, the broader pattern across sports is well documented: athletes whose actions affect betting markets, even indirectly through a disputed call, can become targets for disproportionate online hostility. This underscores why sports betting operators, advertisers and platforms increasingly face pressure to support athlete welfare initiatives and enforce stricter conduct standards around abusive content tied to match outcomes.
On-court consequences were visible
Gauff's form suffered. She managed eight double faults and 34 unforced errors in a 6-3, 6-3 defeat to Mertens, telling her team mid-match that she had "no energy" and felt she might pass out. Mertens now advances to face top seed Iga Swiatek, who beat Iva Jovic 6-1, 6-3. Gauff's comments make clear that the psychological toll of online abuse is not abstract; it can measurably affect performance, reinforcing why player welfare, platform accountability and tournament-level support systems remain a pressing issue for the sport.