Solana Sierra defeated Jessica Bouzas Maneiro 6-4, 5-7, 6-0 in the round-robin stage of the United Cup, a WTA 250 event on hard court on 2 January 2026. Sierra secured the opening set with relative comfort before Bouzas Maneiro levelled the match by claiming a competitive second set. However, Sierra's dominance returned emphatically in the decider, dropping just one game to claim a decisive victory. The result demonstrates Sierra's capacity to recover from adversity and finish matches decisively, a valuable trait in tournament play.