Elise Mertens and the pair of Desirae Krawczyk/Giuliana Olmos have claimed the inaugural Singapore Tennis Open (STO) Singles and Doubles titles respectively.
Second-seed Mertens secured her 9th career WTA singles title – her first since Monastir 2023 – following a clinical final against Ann Li. Mertens bagged the win with straight sets, 6-1, 6-4, in 82 minutes.

Having dropped only one set in the four prior matches throughout the tournament, Mertens was raring to go in the final. Her opponent, Li, entered the match flawlessly without dropping a set, using her all-court skills to dispatch her opponents all week. The title decider began with a masterclass from Mertens, outplaying her American opponent to seal the opening set in a mere 26 minutes.

The Belgian quickly went up 2-0 in the second set. With the title seeming out of her grasp, Li looked to stage a comeback, breaking Mertens’ serve back and bringing the set to two games all. Ultimately, Mertens’ solid baseline game prevailed, falling to the Kallang Tennis Hub court as she took home the STO Singles crown.

Krawczyk and Olmos faced strong opposition all week, with four of seven sets played going to 7-5 or 7-6. However, their tactful net play and clutch serving in critical moments secured them a spot in the final where they raced to an early 3-0 lead. In spite of their opponents, Wang Xinyu and Zheng Saisai, displaying a strong fighting spirit, a late charge saw the American-Mexican pair clinch the first set 7-5. They carried this momentum into the second set, storming their way to a 6-0 victory for the pair to claim their first title together in almost five years.
A Tournament to Remember
Overall, close to 22,000 fans, enthusiasts and spectators flowed through the Kallang Tennis Hub, across nine days to indulge in the inaugural STO and its activities. Tennis fans in Singapore were treated to hard-hitting action and bustling community activities at the Kallang Tennis Hub this past week. They not only witnessed world-class gameplay but also soaked in the lively atmosphere at the Fan Village with meet-and-greet with WTA players and tennis-related activities. Adding to the excitement, the inaugural Singapore Tennis Invitational Cup (STIC) saw the finest tennis talents from Singapore, Malaysia, Indonesia and Cambodia take to the courts ahead of the 2025 SEA Games.
The inaugural STO saw tennis lovers catch world-class tennis action that once again returned to Singapore shores. This tournament is part of the 2025 Hologic WTA Tour calendar, which features over 50 tournaments that will be played across 26 countries and regions. Set to return for two more years in 2026 and 2027, the STO marks a momentous beginning to thrilling tennis action and exciting fan engagement.
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