Coco Gauff defeated Solana Sierra 6-1, 6-1 in their United Cup round-robin encounter on hard court on 3 January 2026. The American's dominant performance left little room for Sierra to establish any rhythm, with Gauff controlling proceedings from the baseline and dictating play throughout both sets. The emphatic scoreline underscored Gauff's commanding form in the early season competition, as she advanced through the group stage with a convincing statement of intent. This decisive victory positions Gauff well in the tournament standings and reinforces her status as a leading contender in the week's proceedings.