Overview
- Coco Gauff defeated Maria Sakkari 6-3, 6-2 and then paired with Christian Harrison to edge Sakkari and Stefanos Tsitsipas 4-6, 6-4, 10-8 in the deciding mixed doubles.
- Stefanos Tsitsipas beat Taylor Fritz 6-4, 7-5 to level the tie for Greece, marking his first win over a top-10 opponent since 2024.
- The United States advances to the Sydney semifinals and will play the winner of Australia versus Poland.
- Poland booked its showdown with host Australia after Hubert Hurkacz beat Tallon Griekspoor 6-3, 7-6 (7/4) as he continues his return from knee surgery.
- Belgium swept Canada 3-0 to reach the quarterfinals in Sydney, and Switzerland was set to face Argentina in the other Perth quarterfinal tie.