The United Cup 2025 is off to an electrifying start, with four powerhouse teams—Poland, Kazakhstan, Germany, and Great Britain—securing their spots in the quarterfinals. This mixed-team tournament, which serves as the season opener, has already delivered some thrilling matches and unexpected turns.

Here are the highlights.

Iga Swiatek in 2024

Now the world no.2, Iga played her last match on the 30^th of December when she beat world no.404 Malene Helgo 6-1 6-0 in the round robin in Australia (draw).

Currently, during this year the Pole has a composed 1-0 win-loss record. Iga clinched 6 titles in 2024 in Australia, Doha, Indian Wells, Madrid, Rome and French Open.

Elena Rybakina in 2024

Ranked world no.6, Elena played her last match on the 30^th of December when she beat world no.32 Maria Sakkari 6-4 6-3 in the round robin in Australia (draw).

This year Elena achieved a composed 2-0 win-loss record. The Kazakhstani has won 3 titles in 2024 in Brisbane, Abu Dhabi and Stuttgart. Elena got to the final in Doha and Miami.

Iga Swiatek and Elena Rybakina played each other 6 times. Their head to head is 4-2 for Rybakina.

Hubert Hurkacz in 2024

Ranked world no.

16, Hurkacz played his last match on the 30^th of December when he was overcome by world no.6 Casper Ruud 7-5 6-3 in the round robin in Australia (draw).

At present, during this year the Pole has a 0-1 win-loss record. The Pole has won 1 title in Estoril. Hubert was the runner-up in Australia and in Halle.

Alexander Zverev in 2024

Currently the world no.2 (career-high), Alexander played his last match on the 30^th of December when he overcame world no.45 Zhizhen Zhang 2-6 6-0 6-2 in the round robin in Australia (draw).

This season Zverev has a 2-0 win-loss record.

Hubert Hurkacz and Alexander Zverev played each other 4 times. The head to head is 3-1 for Zverev.