The stage is set for a compelling third-round clash at the National Bank Open as former world No. 1 Naomi Osaka prepares to face Latvia’s Jeļena Ostapenko at Montreal’s IGA Stadium. This matchup promises fireworks, with Osaka’s calculated power meeting Ostapenko’s aggressive baseline style in what could be the tournament’s most entertaining battle yet.
Osaka earned her spot through grit and determination, saving match points in a dramatic Round 2 victory over 13th-seed Liudmila Samsonova. The Japanese star battled back from a set down to win 4-6, 7-6(8), 6-3, showing the mental toughness that once carried her to four Grand Slam titles. Meanwhile, Ostapenko displayed her own resilience, overcoming a second-set stumble to defeat Renata Zarazua 6-2, 4-6, 6-2 and secure her place in this intriguing third-round showdown.
Naomi Osaka vs. Jelena Ostapenko Match Details
Date: Aug. 1, 2025
Tournament: National Bank Open
Round: Round of 32
Venue: IGA Stadium, Montreal
Category: WTA 1000
Surface: Outdoor hard
Live telecast: Tennis Channel, Fubo, ESPN+, Sky Sports
Osaka vs. Ostapenko Head-to-Head
The numbers tell a clear story in this rivalry. Osaka holds a commanding 2-0 record against Ostapenko, having won both of their previous main-tour encounters. Their most recent meeting took place during the first round of the 2024 US Open at Louis Armstrong Stadium in New York, where Osaka’s superiority was unmistakable.
That US Open clash showcased Osaka at her clinical best, dismantling Ostapenko 6-3, 6-2 in just 64 minutes. The Japanese star controlled the match from start to finish, neutralizing Ostapenko’s power while dictating play with her own aggressive groundstrokes.
Osaka vs. Ostapenko Prediction
Osaka’s hard-court form this season tells the story of a player rediscovering her championship level. With a 12-5 win-loss record on the surface, she’s posted an impressive 70.6% win rate that reflects her growing confidence and tactical sharpness.
PURE TENACITY
Naomi Osaka advances to the third round with a 4-6, 7-6(6), 6-3 victory against Samsonova!#OBN25 pic.twitter.com/vHwlaC76Kh
— wta (@WTA) July 30, 2025
Her serve has become a weapon once again, averaging 7.1 aces per match while keeping double faults to 3.79. This consistency extends to her service games, where she lands 56-57% of first serves and converts those opportunities at a rate between 60-73%. That reliability gives Osaka the foundation she needs to construct points and maintain pressure throughout matches.
Ostapenko brings a different approach to the court; one built around aggressive baseline exchanges and high-risk shot-making. However, her statistics reveal the double-edged nature of her style. While she can produce around 4.25 aces per match, she also struggles with nearly six double faults on average, creating momentum swings that often work against her.
The Latvian’s first-serve percentage sits at approximately 56.1%, but her second serve becomes vulnerable under pressure. This inconsistency becomes magnified during crucial moments, particularly in tiebreaks and deciding sets where mental fortitude proves decisive.
Osaka’s superiority behind her first serve and fewer errors on her second serve give her a clear advantage in service games. While Ostapenko can trouble opponents with aggressive returns and has shown the ability to convert break points, her difficulty holding serve consistently puts her at a disadvantage against someone as composed as Osaka.
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Ostapenko’s explosive style means she’s always capable of stealing a set through confident shot-making, especially if she finds her rhythm early and maintains her aggressive mindset. Her ability to hit winners from defensive positions keeps her dangerous throughout any match.
However, Osaka’s more reliable serve, combined with her superior ace-to-double fault ratio and stronger first-serve statistics, positions her well for success in the longer exchanges this match will likely produce.
Prediction: Osaka to win in three sets

