Overview
- Sebastián Báez defeated Jaume Munar 6-4, 6-4 in Perth, registering the first official match win of the 2026 season.
- Solana Sierra outlasted Jessica Bouzas Maneiro 6-4, 5-7, 6-0 to secure the tie for Argentina in her United Cup debut.
- Guido Andreozzi and María Lourdes Carlé completed the sweep by beating Íñigo Cervantes and Yvonne Cavalle-Reimers 7-6 (8-6), 6-2 in mixed doubles.
- Argentina next faces the United States, led by Taylor Fritz and Coco Gauff, in a match expected to heavily influence Group A qualification.
- The United Cup runs Jan. 2–11 in Perth and Sydney with one men’s singles, one women’s singles and one mixed doubles per tie, awarding ATP/WTA ranking points and over $11 million in prize money as group winners and top second-place teams advance.