As of April 2026, the two have established one of the most competitive rivalries on the WTA Tour: : Świątek leads the series 6–5.
The rivalry between and Jessica Pegula at the United Cup is defined by high-stakes encounters, including a dominant straight-sets victory for Pegula in 2023. While Świątek has historically led their overall head-to-head, Pegula has proven to be a formidable opponent on the fast hard courts typically found in the Australian summer. Head-to-Head Context United Cup: ЕљwiД…tek - Pegula
: Both players frequently represent their countries in the deciding mixed doubles rubber. In 2025, Świątek (paired with Casper Ruud) defeated Pegula (paired with Jack Draper) in a match tie-break at the US Open . Historical Performance Summary Tournament 2025 Bad Homburg Open Jessica Pegula 2023 Qatar Open Iga Świątek 2023 United Cup Semi-Final Jessica Pegula 2022 San Diego Open Semi-Final Iga Świątek 4-6, 6-2, 6-2 2022 US Open Quarter-Final Iga Świątek 6-3, 7-6(4) As of April 2026, the two have established
: Relies on heavy topspin forehands and elite court coverage to dictate play. She aims to overwhelm opponents with power and control the tempo from the baseline. She aims to overwhelm opponents with power and