Cincinnati Open WTA Round-Up Day Four | Iga Swiatek stays on a roll as Sabalenka and Gauff are tested

Monday, 17 August 2026 at 06:23

Day Four in Cincinnati featured several of the tournament's biggest names making their first impressions, with Mirra Andreeva, Iga Swiatek and Elena Rybakina all advancing in convincing fashion. Andreeva dropped just one game in her debut, while Swiatek followed up her Canadian Open title with another dominant performance.

Coco Gauff also recovered from a difficult start to defeat Liudmila Samsonova, while Marta Kostyuk produced one of the day's best comebacks against Sofia Kenin. Aryna Sabalenka also progressed, keeping the pressure on in the battle for the WTA No. 1 ranking.

Andreeva cruises past Oliynykova

Oleksandra Oliynykova 1-6, 0-6 Mirra Andreeva

Mirra Andreeva made an emphatic start to her Cincinnati campaign, dropping just one game in a dominant victory over Oleksandra Oliynykova. The Russian needed only 65 minutes to complete the win, immediately establishing herself as the stronger player in the exchanges and leaving Oliynykova with very few opportunities to disrupt her rhythm.

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Andreeva was particularly impressive on return, winning 66% of the return points throughout the match. She converted five of her 12 break-point opportunities, while Oliynykova went 0-for-7, with Andreeva also saving every break point she faced. That ability to escape danger early in the match allowed her to settle quickly and maintain control.

The Russian also won 65% of her service points and consistently put pressure on Oliynykova's delivery. After conceding some chances during the opening games, Andreeva tightened up behind her serve and never looked back. She will now face Janice Tjen in the next round.

Mirra Andreeva of Russia reacts during the match against Antonia Ruzic of Croatia at the Internazionali BNL d'Italia 2026 tennis tournament

Rybakina begins No. 1 chase with statement win

Taylor Townsend 3-6, 4-6 Elena Rybakina

Elena Rybakina began her Cincinnati campaign with a convincing straight-sets victory over Taylor Townsend as she continues her pursuit of Aryna Sabalenka at the top of the WTA rankings. The Kazakh came into the tournament with another opportunity to close the gap on the No. 1 spot and showed few signs of being distracted by the additional pressure.

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Rybakina's serve was one of the biggest differences between the two players. She won 66% of her first-service points and an impressive 72% behind her second, making it difficult for Townsend to sustain pressure on return. The Kazakh also converted three of her four break-point opportunities, while Townsend managed just one break from the opportunities she created.

Both sets followed a remarkably similar pattern. Rybakina found an early break, moved in front on the scoreboard and then relied on her serve to protect the advantage. Townsend never found a sustained response, allowing Rybakina to close out the victory without major complications. She will face Magda Frech next.

Swiatek keeps rolling after Canadian Open triumph

Iga Swiatek 6-3, 6-0 Emiliana Arango

Iga Swiatek continued her winning run following her Canadian Open triumph with another dominant performance in Cincinnati. The Pole defeated Emiliana Arango 6-3, 6-0 in just 73 minutes, recovering from an initially uncertain start to completely take over the match and underline the level she has carried into the second half of the North American hard-court swing.

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Swiatek and Arango exchanged breaks at the beginning, with the Colombian briefly taking a 2-1 lead. That was effectively the turning point of the match, however, as Swiatek responded by winning 11 of the next 12 games. Once she settled into her rhythm from the baseline, Arango struggled to find answers to the Pole's consistency and return pressure.

Swiatek won 68% of her service points and 63% of the points played on return, while also converting a high percentage of the opportunities she created. She enters the next round with considerable momentum and will now face Maria Sakkari in a highly anticipated rematch.

Iga Swiatek of Poland reacts during the women's singles quarterfinal match against Diana Shnaider of Russia at the 2026 National Bank Open

Gauff turns match around against Samsonova

Coco Gauff 2-6, 6-4, 6-1 Liudmila Samsonova

Coco Gauff recovered from a difficult start to defeat Liudmila Samsonova in three sets and avoid an early Cincinnati scare. The American found herself under pressure almost immediately, with Samsonova taking an early break and using it to dictate the opening set. Gauff created opportunities to respond but was unable to make enough of them count as Samsonova closed out the opener 6-2.

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The second set brought a significant improvement from Gauff, particularly behind her first serve. After winning just 64% of her first-service points in the opening set, the American raised that figure to an impressive 88%. That improvement gave her much greater control of her service games, while she needed only one break to level the match and force a deciding set.

Gauff then showed her superior level when the match was on the line. The American maintained her improved serving performance while becoming increasingly dangerous on return, winning five consecutive games to take control of the decider. Samsonova could not find a response as Gauff completed the comeback and advanced.

Coco Gauff of the United States celebrates during her match against Alina Korneeva during round of 16 National Bank Open

Kostyuk completes comeback against Kenin

Marta Kostyuk 4-6, 6-3, 7-5 Sofia Kenin

Marta Kostyuk produced one of the day's most impressive comebacks, recovering from a difficult position in the deciding set to defeat former Australian Open champion Sofia Kenin. Kenin initially looked like the more dangerous player, taking control of the opening set and securing the crucial break to claim it 6-4.

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Kostyuk responded in the second set by becoming more resilient behind her serve and waiting for her opportunity on return. Once she found the breakthrough, she managed to turn the momentum in her favor and level the match 6-3, setting up a deciding set that became increasingly tense as both players fought to stay ahead.

Kenin appeared to have the victory within reach when she raced into a 3-0 lead in the decider. Kostyuk, however, refused to let the match slip away and produced a remarkable turnaround, winning seven of the next nine games to complete the comeback and close out the 4-6, 6-3, 7-5 victory. She will face former US Open champion Sloane Stephens next.

Sabalenka advances against Gibson

Aryna Sabalenka 6-2, 7-6 Talia Gibson

Aryna Sabalenka also moved into the next round with a straight-sets victory over Talia Gibson. The Belarusian established control early, taking the opening set 6-2 and putting herself in a strong position to close out the match without too much trouble.

Gibson, however, made the second set considerably more competitive and managed to stay with Sabalenka for much longer. The Australian pushed the No. 1 player into a tiebreak, but Sabalenka held her nerve in the crucial moments to finish the match in two sets and keep her Cincinnati campaign moving.

With Elena Rybakina also advancing, the result keeps the focus firmly on their ongoing battle for the WTA No. 1 ranking. Sabalenka will now look to build another deep run in Cincinnati and prevent Rybakina from making further gains at the top.

Aryna Sabalenka clenches her fist after winning a point at the Canadian Open in Toronto.

Aryna Sabalenka of Belarus celebrates after a point during the Women’s Singles round of 64 match against Moyuka Uchijima of Japan on day 4 of the WTA Masters 1000 National Bank Open

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Lucas MichaelTennis Journalist

Lucas Michael is a tennis journalist based in Cambridge, UK, specializing in comprehensive coverage of the ATP and WTA tours. For the past 1.5 years, he has been a core contributor to TennisUpToDate, where he has authored more than 3,000 data-driven match reports, deep-dive analysis pieces, and engaging liveblogs.

Lucas pairs real-time statistical analysis with on-the-ground reporting, frequently traveling to tournaments to cover the action firsthand from the press box and player press conferences. This blend of advanced metrics and direct access allows him to provide sharp context regarding player form, tactical trends, and breaking tour developments.

He holds a BA (Hons) in Sports Journalism. Grounded in core journalistic ethics, Lucas places a strict emphasis on meticulous sourcing, editorial accuracy, and a commitment to updating live content swiftly as verified information emerges.

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