Mon Jan 05 08:40:00 UTC 2026: Here’s a summary of the text, followed by a news article rewrite:

Summary:

The United Cup is underway, and 40-year-old Stan Wawrinka is finding his retirement tour physically demanding, playing multiple three-set matches. Other notable results include Germany, Canada and Great Britain winning their matches 3-0 and 2-1 respectively. Naomi Osaka suffered her second straight loss. Upcoming matches include Ruud vs. Mensik, Zverev vs. Hurkacz, Fritz vs. Munar, and Świątek vs. Łys. Emma Raducanu’s participation is uncertain due to injury.

News Article:

Wawrinka Faces Grueling Start to Retirement Tour at United Cup; Osaka Suffers Another Defeat

SYDNEY/PERTH, January 4, 2026 – The United Cup is delivering early drama as veteran Stan Wawrinka, 40, battles through grueling matches in what he hopes will be a farewell tour. Wawrinka, playing in the team competition, has been pushed to his limits, contesting two marathon three-set matches in the last two days. While he secured a victory against Arthur Rinderknech, he ultimately fell to 23-year-old Flavio Cobolli.

Elsewhere, team play has seen decisive victories. Germany, Canada and USA all recorded comfortable 3-0 victories over The Netherlands, China, and Spain respectively. Great Britain defeated Japan 2-1, while Greece took a 3-0 win over Great Britain.

However, a notable upset saw Naomi Osaka suffer her second consecutive defeat, this time at the hands of world number 276 Katie Swan, who was filling in for the injured Emma Raducanu.

Looking ahead, Monday’s schedule promises exciting matchups in Sydney and Perth. In Sydney, Czechia face Norway, and Germany go up against Poland. In Perth, the USA will battle Spain, and Great Britain take on Greece.

Tennis fans will be eager to see how Jakub Mensik fares against Casper Ruud. Alexander Zverev will clash with Hubert Hurkacz, while Iga Świątek is set for a match against Eva Łys. Coco Gauff will face Jessica Bouzas Maneiro, and Taylor Fritz will take on Jaume Munar. Maria Sakkari is slated to play either Emma Raducanu or a replacement, pending Raducanu’s recovery from a foot injury.

Updated Results:
* Czechia d. Norway 2-1
* Poland d. Germany 2-1
* USA d. Spain 3-0
* Greece d. Great Britain 3-0

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