US Open 2025 Semifinals — Start Time, How to Watch & Key Matchups (Sabalenka vs Pegula; Osaka vs Anisimova)

The 2025 US Open 2025 Semifinals women’s semifinal took place on Thursday, September 4, at Arthur Ashe Stadium in the USTA Billie Jean King National Tennis Center, Flushing, New York. These matches featured high-stakes clashes between top-seeded players with the winners advancing to the women’s final on Saturday, September 6. The semifinals highlighted intense rivalries, powerful baseline play, and American hopes on home soil. 

The 2025 US Open, the 145th edition of the tournament, was held from August 25 to September 7. As the final Grand Slam of the year, it featured intense competition across the different formats, including Men’s, Women’s, Singles, Doubles, and Mixed. 

The US Open 2025 Semifinals are a significant highlight in the tournament calendar, drawing attention from tennis fans worldwide.

Start Times and Schedule

The women’s semifinals were scheduled as a doubleheader on September 4, starting in the evening session. Play usually begins around 7 p.m. ET. But the exact timing can shift due to the extended match duration. 

1. First Semifinal: Aryna Sabalenka vs. Jessica Pegula

The first US Open women’s semifinal started at 7:00 PM. This match kicked off the evening session and concluded approximately 2 hours and 20 minutes.

2. Second Semifinal: Naomi Osaka vs. Amanda Anisimova

The start time of the second US Open women’s semifinal is 8:30 PM. This followed the first match and extended late into the night, finishing around midnight. 

The overall session ran from 7:00 PM to 11:00 PM  ET or later, depending on the match length. The gates at the venue opened around 6:00 PM for fans. 

How to Watch the US Open 2025 Semifinals?

The US Open was broadcast exclusively in the US by ESPN networks, with comprehensive coverage available on TV and streaming platforms. It is interesting to note that the total viewership for the semifinals averaged around 1.8 million, up from 2024 due to the star power involved.

All the semifinal matches aired live on ESPN, with streaming options for cord-cutters. International broadcasters would access via the local broadcasters or VPNs for US streams.

Go through the table below to know more about the coverage details and the availability: 

PlatformCoverage DetailsAvailability
TV: ESPNLive broadcast of both semifinals, including commentary and analysis.  Cable and Satellite providers. It includes DirecTV and Comcast. ESPN Deportes for Spanish-language coverage.
Streaming: ESPN App (with ESPN+ or Unlimited)Full live stream of main court matches. 
Outer courts on ESPN+ for $10.99 per month. Semifinals required the ESPN Unlimited tier $30 per month for full access.
iOS and Android apps, web browsers. 
Free trial available on some services. 
Live TV Streaming Services
Fubo (free trial), Hulu + Live TV, YouTube TV, Sling TV (Orange and Blue plans). All include ESPN.
The streaming service starts at $40–$80 per month. It offers 7-day free trials on mostplatforms, including Fubo, for sports-focused viewing. 
International Options
Eurosport (Europe), TSN (Canada), beIN Sports (Middle East). US streams via VPN.The option varies by region. Check the local listing for the updated information.  
Radio and Audio
SiriusXM (Channel 81) and ESPN Radio for play-by-play.App or satellite radio.

Note: For on-demand replays, you can visit the ESPN website or the U.S. Open app post-match. No free over-the-air broadcast was available, but services like Fubo offered free trials to watch without a cable subscription.  

Key Matchups

The semifinal pitted world-class power against resilience and home-crowd energy. Both matches went full distance, showcasing the depth of women’s tennis in 2025. Here are the key matchups: 

1. Aryna Sabalenka vs. Jessica Pegula 

The match was won by Aryna Sabalenka with a score of 4-6, 6-3, 6-4, advancing to her 4th consecutive US Open final. This was a rematch of the 2024 US Open final, where Sabalenka also triumphed 7-5, 7-5. Aryna Sabalenka later on went on to beat Amanda Anisimova to retain the title. 

Pegula’s run marked her deepest US Open beyond 2024, but Sabalenka’s dominance solidified her as a favorite for back-to-back titles. 

2. Naomi Osaka vs. Amanda Anisimova

Anisimova won 4-6, 6-4, 7-6(5), coming from a set down in an exciting and thrilling three-setter. It was a clash of a former champion and comeback stories. Osaka, a two-time US Open winner, was on a resurgence after maternity leave. 

Anisimova reached her first US Open final, extending the trend of American women in every 2025 major final. 

Wrapping Up

The 2025 US Open women’s semifinals delivered electrifying tennis. These matches showcased raw power, resilience, and the rise of American talent, thereby setting the stage for a thrilling finale on September 6. As a fan, you can relive the drama via ESPN replays or the US Open app, cementing the event as a highlight of the 2025 tennis season. This article provides you with details about the US Open 2025 Semifinals. Read the article to know in detail. 

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