Su-Wei Hsieh and Ostapenko. Two semifinals, a US Open quarterfinal and deciding tiebreaks

The pairing of Su-Wei Hsieh and Ostapenko has gone through Montreal, Cincinnati, the US Open and Beijing. In twelve matches, they have eight wins and four losses. The pair reached the semifinal twice, and almost every tournament came down to a tight finish.

Four tournaments and twelve matches: that is the stretch of joint appearances by Su-Wei Hsieh and Ostapenko from August to October 2026, according to api.tennis data. The pair's overall record stands at 8-4. At none of these tournaments did the duo exit before the quarterfinal: in Montreal and Cincinnati, Su-Wei Hsieh and Ostapenko reached the semifinal, while at the US Open and in Beijing they stopped at the quarterfinal.

Montreal and Cincinnati. Two straight semifinals

US Open. Three wins and a quarterfinal

The pair's longest run came at the US Open. Su-Wei Hsieh and Ostapenko won three matches in a row without dropping a single set: 6-4 6-3 over Darija Jurak Schreiber and Antonia Ruzic, 6-1 7-6(7) over Marie Bouzkova and Sara Sorribes Tormo, and 6-4 6-4 over Hao-Ching Chan and Maya Joint. In the quarterfinal, they were stopped by Elise Mertens and Diana Shnaider 5-7 3-6.

Beijing. Everything decided by tiebreaks

In Beijing, the pair played three matches, and two of them went to a deciding tiebreak. In the opening round, Su-Wei Hsieh and Ostapenko beat Xinyu Jiang and Xiyu Wang 6-1 1-6 1-0(4). In the second round, victory over Irina Khromacheva and Liudmila Samsonova came more easily, 6-3 6-2. The quarterfinal against Erin Routliffe and Aldila Sutjiadi once again came down to a deciding tiebreak, and this time it went against the pair: 6-7(5) 6-4 0-1(7). Across the four-tournament stretch, the duo faced three deciding tiebreaks, winning only one of them.

Su-Wei Hsieh's season by the numbers

In doubles during the 2026 season, Su-Wei Hsieh has 29 wins and 10 losses, with one title and two finals. She has recorded the most wins in the first and second rounds, eight apiece. Over her career, according to api.tennis data, she has 231 wins. According to rank.tennis data, Su-Wei Hsieh sits 10th in the WTA doubles rankings with 4625 points, while in the live rankings she has slipped to 11th with 4450 points.

The pairing of Su-Wei Hsieh and Ostapenko has consistently reached the late stages: for four tournaments in a row, they have gone no earlier than the quarterfinal. However, all four losses came in quarterfinals and semifinals, and two of them were decided by a final-set tiebreak. In Montreal and Cincinnati, they were just one match away from the final, and both times that match went to their opponents.