Archive · 6 Sep 2026
US Open Upsets Send Zheng and Potapova Into Last 16
Several surprising results happened at the US Open on Saturday.
Zheng Qinwen beat Madison Keys after losing the first set and falling far behind in the third.
Zheng won the last seven games and saved a match point.
Alexander Blockx also won a big match against Flavio Cobolli.
Francisco Cerundolo came back from two sets down to beat Taylor Fritz.
Anastasia Potapova defeated Amanda Anisimova and reached the fourth round for the first time.
Coco Gauff and Iga Swiatek also won their matches.
Zheng will play Swiatek next, while Potapova will face Mirra Andreeva.
Zheng Qinwen rallied from 5-0 down in the third set to defeat Madison Keys 1-6, 7-6 (7/3), 7-5.
Alexander Blockx upset fifth-seeded Flavio Cobolli in four sets to reach a Grand Slam second week for the first time.
Francisco Cerundolo fought back from two sets down to defeat ninth-seeded Taylor Fritz 3-6, 4-6, 6-3, 6-4, 6-4.
Anastasia Potapova beat 2025 finalist Amanda Anisimova 6-2, 7-5 to reach the US Open fourth round for the first time.
Coco Gauff and Iga Swiatek advanced, while Swiatek will next face Zheng and Potapova will meet Mirra Andreeva.
- Who
- Zheng Qinwen, Alexander Blockx, Francisco Cerundolo, Anastasia Potapova, Coco Gauff, Iga Swiatek and other players competed.
- What
- Several players advanced to the US Open last 16, including Zheng, Blockx, Cerundolo and Potapova after upsets.
- When
- Saturday during the 2026 US Open.
- Where
- Flushing Meadows in New York.
- Why
- The players won their fourth-round matches and advanced in the tournament.
Upset Winners
Defeated Favorites
Tournament momentum
Upset Winners
Zheng Qinwen, Alexander Blockx, Francisco Cerundolo and Anastasia Potapova used comebacks or strong late runs to reach the next round.
Defeated Favorites
Madison Keys, Flavio Cobolli, Taylor Fritz and Amanda Anisimova were eliminated despite several being seeded or having recent strong tournament results.
Zheng Qinwen versus Madison Keys
Upset Winners
Zheng stayed in the match, saved a match point and won the final seven games after trailing 5-0 in the deciding set.
Defeated Favorites
Keys built a 5-0 lead in the third set but could not close out the match.
- Tournament
- 2026 US Open
- Zheng Qinwen result
- Defeated Madison Keys 1-6, 7-6 (7/3), 7-5
- Zheng Qinwen ranking
- Ranked 121st in the world and entered through qualifying
- Alexander Blockx result
- Defeated Flavio Cobolli 6-7 (4/7), 6-3, 6-0, 6-3
- Francisco Cerundolo result
- Defeated Taylor Fritz 3-6, 4-6, 6-3, 6-4, 6-4
- Anastasia Potapova result
- Defeated Amanda Anisimova 6-2, 7-5
- Next matches
- Zheng Qinwen faces Iga Swiatek; Alexander Blockx faces Francisco Cerundolo; Anastasia Potapova faces Mirra Andreeva