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Tiafoe stuns Medvedev, sets Michelsen quarterfinal showdown

9/7/2026

Summary

Tiafoe Upsets Medvedev

Frances Tiafoe defeated No. 7 Daniil Medvedev 7-6 (7), 6-4, 7-6 (8) in the US Open fourth round.
The win gave Tiafoe a perfect 10-0 record at Louis Armstrong Stadium.
Tiafoe became the first player at this US Open to take a set from Medvedev.
He will face fellow American Alex Michelsen in the quarterfinals on Tuesday.

Summary

Nouni Pauses

Chair umpire Kader Nouni paused the Osaka-Zakharova match because influencers were too loud.
Influencer count at the US Open rose from 54 in 2025 to nearly double in 2026.
Naomi Osaka and Daniil Medvedev said influencer disruptions must be managed.
United States Tennis Association (USTA) began screening a notice asking spectators to avoid flash photography and lighting.
Retired players Patrick McEnroe and Eugenie Bouchard warned influencers could price out fans.

Summary

Americans Advance

Five American men reached the US Open round of 16, the most since 1995.
Alex Michelsen became the first American to reach a Grand Slam quarterfinal this year without dropping a set.
Iva Jovic, 18, secured her first US Open round of 16, joining a five-player American women’s contingent.
Only four of the top-10 seeds and six of the top-16 remain, highlighting tournament volatility.

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Tiafoe Upsets Medvedev

Frances Tiafoe defeated No. 7 Daniil Medvedev 7-6 (7), 6-4, 7-6 (8) in the US Open fourth round.
The win gave Tiafoe a perfect 10-0 record at Louis Armstrong Stadium.
Tiafoe became the first player at this US Open to take a set from Medvedev.
He will face fellow American Alex Michelsen in the quarterfinals on Tuesday.

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