Overview
- Maria Sakkari beat Naomi Osaka 6-4, 6-2 in Perth to give Greece a 1-0 lead over Japan.
- Osaka was seen coughing during the match and opened with serving troubles, including three double faults and three failed tosses.
- She said she has been sick since the holiday period and described herself as not operating at her preferred level.
- Stefanos Tsitsipas followed with a 6-3, 6-4 win over Shintaro Mochizuki to secure the tie for Greece.
- Ties at the United Cup feature one men’s singles, one women’s singles, and a mixed doubles, with group winners and the best runner-up reaching the quarter-finals.