What Is 2017 Toray Pan Pacific Open - Singles

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Last updated: April 15, 2026

Quick Answer: The 2017 Toray Pan Pacific Open – Singles was a WTA Premier tournament held in Tokyo from September 25 to October 1, 2017. Caroline Wozniacki won the title by defeating Naomi Osaka 7–5, 6–3 in the final.

Key Facts

Tournament took place from September 25 to October 1, 2017
Caroline Wozniacki won the singles title
Final score: Wozniacki defeated Osaka 7–5, 6–3
Event held at Ariake Coliseum in Tokyo, Japan
Wozniacki earned $147,015 in prize money

Overview

The 2017 Toray Pan Pacific Open – Singles was a premier-level women’s tennis tournament on the WTA Tour, held in Tokyo, Japan. It featured a 28-player singles draw and attracted top international players, including Grand Slam champions and rising stars.

Played on outdoor hard courts at the Ariake Coliseum, the event served as a key warm-up for the WTA Finals. The 2017 edition marked the 34th running of the tournament and was notable for strong Japanese representation and a dramatic final match.

September 25–October 1, 2017: The tournament spanned seven days, concluding with the final on October 1, a Sunday, to maximize broadcast visibility and fan attendance.
Caroline Wozniacki: The Danish player entered the tournament unseeded but won the title, defeating Naomi Osaka in the final with a score of 7–5, 6–3.
Ariake Coliseum: Located in Koto Ward, Tokyo, this 10,000-seat venue has hosted the Pan Pacific Open since 1993, providing a consistent setting for the event.
Prize money: The singles champion earned $147,015, part of a total purse of $896,000, reflecting its status as a WTA Premier event.
WTA ranking points: The winner received 470 ranking points, crucial for players aiming to qualify for the season-ending WTA Finals in Singapore.

How It Works

The Toray Pan Pacific Open follows standard WTA Premier tournament rules, with a structured draw, seeding based on rankings, and best-of-three sets for all matches. Players earn prize money and ranking points based on their performance.

Draw Size: The singles draw included 28 players, with 8 seeded. Seeded players received first-round byes, reducing the initial match load for top performers.
Seeding: Players were seeded based on WTA rankings as of September 18, 2017, ensuring higher-ranked players faced lower-ranked opponents in early rounds.
Match Format: All matches were best-of-three sets, with a tiebreak at 6–6 in each set, except the final set, which used a standard tiebreak.
Prize Distribution: The winner received $147,015, while first-round losers earned $10,825, reflecting a tiered payout structure based on advancement.
Ranking Points: The champion earned 470 points, runners-up received 305, and points decreased progressively for earlier exits, influencing year-end standings.
Wild Cards: Three wild cards were awarded, including to Japanese players Naomi Osaka and Misaki Doi, to promote local talent and fan engagement.

Comparison at a Glance

Below is a comparison of the 2017 Toray Pan Pacific Open with other WTA Premier events in 2017, highlighting key differences in prize money, draw size, and surface type.

Tournament	Location	Prize Money	Draw Size	Surface
2017 Toray Pan Pacific Open	Tokyo, Japan	$896,000	28 singles	Hard (outdoor)
2017 Dubai Tennis Championships	Dubai, UAE	$2,584,230	32 singles	Hard (outdoor)
2017 Cincinnati Masters	Cincinnati, USA	$2,611,480	56 singles	Hard (outdoor)
2017 Stuttgart Open	Stuttgart, Germany	$780,000	28 singles	Clay (indoor)
2017 Wuhan Open	Wuhan, China	$2,584,230	56 singles	Hard (outdoor)

This comparison shows that while the Toray Pan Pacific Open had a smaller prize pool than marquee Premier 5 events like Wuhan or Dubai, it remained a significant stop on the Asian swing, offering valuable points and preparation for the season finale. Its 28-player draw was smaller than most Premier 5 events but standard for a Premier-level tournament.

Why It Matters

The 2017 Toray Pan Pacific Open played a pivotal role in shaping the end-of-season WTA rankings and provided momentum for players entering the final stretch of the season. Its outcome influenced qualification for the WTA Finals and highlighted emerging talent on the global stage.

Caroline Wozniacki’s resurgence: Her victory signaled a return to form, helping her finish 2017 ranked No. 3 and setting the stage for her 2018 Australian Open win.
Naomi Osaka’s breakthrough: Reaching the final marked Osaka’s first WTA Premier final, foreshadowing her future Grand Slam success in 2018 and 2019.
Japanese tennis growth: Strong local interest and player participation reflected Japan’s rising prominence in women’s tennis, boosted by Toray’s long-term sponsorship.
Asian swing importance: The event was a key component of the WTA’s Asian swing, helping players adjust to conditions before the WTA Finals in Singapore.
Media exposure: Broadcast across Asia and Europe, the tournament increased visibility for women’s tennis in underrepresented markets.
Historical continuity: As a tournament held annually since 1984 (except 2009 and 2020–2021), it provided a consistent platform for elite competition.

Ultimately, the 2017 Toray Pan Pacific Open was more than just a title win for Wozniacki—it was a milestone event that underscored the global depth of women’s tennis and the growing influence of Asian tournaments on the WTA calendar.