In the quarterfinals of the 2026 Singapore Tennis Open, presented by BNP Paribas, Chwalinska triumphed over defending champion Mertens, earning her spot in the semifinals. The match took place on September 25, 2026, on a hard court in Singapore.
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The statistics highlighted a competitive match. Chwalinska secured 3 aces and 1 double fault, while successfully converting 5 out of 9 break points, equating to a 55.6% conversion rate. Mertens also delivered a strong performance, registering 2 aces and 2 double faults, but managed to convert only 1 out of 4 break points.
Chwalinska maintained a 68.8% success rate on her first serve, winning 33 out of 48 points, compared to Mertens' 45.2%. On the return, Chwalinska won 54.8% of her first return points, whereas Mertens achieved 40.3%.
The match featured various pivotal points, with Chwalinska saving 75% of the break points she faced, backing her strong serving throughout the contest. As a result of this victory, Chwalinska moves forward to the semifinals, continuing her impressive run in the tournament.