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

Iga Swiatek

18 - 5win/loss

Hard
18-5
23 year old
LWWWWLWWLW
2025 Highlights

Now the world no.2, Iga played her last match on the 30th 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.

Australia
Swiatek's Record

Elena Rybakina in 2024

Elena Rybakina

15 - 6win/loss

Hard
15-6
25 year old
LWWLWWWLWW
2025 Highlights

Ranked world no.6, Elena played her last match on the 30th 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.

Australia
Rybakina's Record

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

Hubert Hurkacz in 2024

Hubert Hurkacz

7 - 7win/loss

Hard
4-5
I Hard
3-2
28 year old
LWLLWWWLWL
2025 Highlights

Ranked world no.

16, Hurkacz played his last match on the 30th 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.

Australia
Hurkacz's Record

Alexander Zverev in 2024

Alexander Zverev

12 - 5win/loss

Hard
9-3
Clay
3-2
27 year old
LLWLWWLWLW
2025 Highlights

Currently the world no.2 (career-high), Alexander played his last match on the 30th 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.

Australia
Zverev's Record

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