Top-seeded American Jessica Pegula showcased her resilience and determination at the WTA Charleston Open, saving four match points to overcome two-time Australian Open champion Victoria Azarenka in a thrilling quarter-final clash. Pegula's hard-fought victory secured her spot in the semi-finals after a grueling battle lasting two hours and 36 minutes.

Reflecting on the intense match, Pegula described it as an "emotional roller coaster," characterized by ups and downs in her performance. Despite squandering multiple match points, Pegula maintained her composure and capitalized on crucial opportunities in the deciding moments of the match.

The windy conditions added an additional challenge, testing Pegula's nerves and resolve. However, she remained focused and determined to secure the victory, acknowledging the tough battle against a formidable opponent like Azarenka.

In the semi-finals, Pegula will face fourth seed Daria Kasatkina, who displayed her own fighting spirit to overcome Jaqueline Cristian in a three-set battle.

Meanwhile, Miami Open champion Danielle Collins continued her impressive form, extending her win streak to 11 matches by defeating Elise Mertens in straight sets. Collins will face Greek third seed Maria Sakkari in the semi-finals after Sakkari's victory over Veronika Kudermetova.

Pegula, seeking her first WTA clay-court title, has demonstrated her ability to compete at the highest level this season, reaching semi-finals in Adelaide and San Diego. With her determined mindset and recent successes, Pegula remains a formidable contender as she vies for victory in Charleston.