Overview
- Sebastián Báez defeated Stan Wawrinka 7-5, 6-4 to pull Argentina even at 1-1 in the United Cup quarterfinal.
- Belinda Bencic earlier beat Solana Sierra 6-2, 6-2 to give Switzerland the initial lead.
- The decisive mixed doubles will feature Guido Andreozzi and Lourdes Carlé against the pairing of Bencic and Wawrinka.
- The tie is being played in Perth and is televised in Argentina by TyC Sports.
- The United Cup tie format comprises one men’s singles, one women’s singles and one mixed doubles, and Argentina reached the knockouts as the best second with a 4-2 match record.