# Ena Shibahara

Ena Shibahara (柴原 瑛菜, Shibahara Ena, born 12 February 1998) is an American-born Japanese professional tennis player who specializes in doubles. She reached her career-high rankings of world No. 4 in doubles and No. 132 in singles. Shibahara has won eleven doubles titles on the WTA Tour, including two WTA 1000, the 2021 Miami Open and the 2023 National Bank Open.
Shibahara won her first Grand Slam at the 2022 French Open, alongside Wesley Koolhof in mixed doubles. Partnering with Shuko Aoyama, she reached the women's doubles finals at the 2023 Australian Open, in addition to the semifinals at the 2021 Wimbledon Championships, the 2022 Australian Open, and at the 2021 WTA Finals.
She made her Billie Jean King Cup debut for Japan in 2020, and also participated in the 2020 Olympic Games in Tokyo. Until July 2019, Shibahara represented her country of birth, the United States.

## College

In 2016, she graduated from Palos Verdes Peninsula High School and attended UCLA before turning pro after her sophomore season.

## Professional career
### 2016: Major debut

Shibahara made her Grand Slam main-draw debut at the US Open in the girls' doubles draw, partnering with Jada Hart as a wildcard. Shibahara and Hart then won the US Open girls' doubles title. The pair also entered with wildcards the women’s doubles event in which they lost in the first round.

### 2019: Focus on doubles, partnership with Shuko Aoyama

Shibahara played her first five doubles tournaments of the year with Hayley Carter winning two titles and reaching another final. This raised her ranking from No. 205 at the beginning of the year to an entry into the top 100, with a doubles ranking of world No. 98 on May 20.
Shibahara then played tournaments with eight other partners before playing her first tournament with Shuko Aoyama in August at the Silicon Valley Classic in San Jose, where they reached the final. Shibahara said, "Our chemistry was spot on from the beginning, where I would set her up from the baseline and she just moves all over the net".
Shibahara and Aoyama played five more tournaments together in 2019, winning their first two titles at the Tianjin Open (Shibahara's first WTA Tour-level title) and Kremlin Cup in Moscow. By the end of the year, Shibahara's WTA doubles ranking was world No. 31.
In singles, she started the year playing a mixture of ITF and WTA Challenger tournaments. Following a quarterfinal result at the $100k Vancouver Open, her singles ranking reached a career-high of world No. 416 on 19 August 2019.

### 2020–2021: WTA 1000 title, Olympic & WTA Finals semifinalist, singles WTA debut

Partnering Aoyama, Shibahara won her maiden WTA 1000 title at the 2021 Miami Open and participated in the Tennis at the 2020 Summer Olympics in Japan. She also reached the semifinals at Wimbledon and of the WTA Finals, seeded No. 2. She won seven more titles, five being at the WTA 500 level, during her successful partnership with Aoyama. Also in 2021 Shibahara made her WTA Tour-level main draw debut in singles in Cleveland as a lucky loser but lost to Bethanie Mattek-Sands.

### 2022: Maiden mixed-doubles title, world No. 4 in doubles

At the Australian Open, she reached the semifinals of a major for the second time in her career, partnering again with Shuko Aoyama. Later, she set a new career-high ranking of No. 4, on 21 March 2022, after making the Indian Wells Open final where she partnered with Asia Muhammad.
At the French Open, she won the first major title of her career in mixed doubles, partnering with Wesley Koolhof. She became the first Japanese player in 25 years to win the mixed doubles championship in Paris, since Rika Hiraki and Mahesh Bhupathi took home the title in 1997.

### 2023: Australian finalist & Canadian champion in doubles, WTA 1000 debut in singles

At the Australian Open, she reached the semifinals of a major for the third time in her career, partnering again with Shuko Aoyama. The pair defeated second-seeded pair of Coco Gauff and Jessica Pegula to reach their first Grand Slam final. However, they were defeated in straight sets by defending champions, Krejčíková and Siniaková.
She won her ninth title at the Rosmalen Open and her first WTA 1000 title at the Canadian Open, partnering Aoyama.
She qualified for the singles main draw of the WTA 1000 Guadalajara Open but lost to Karolína Plíšková. In doubles, the pair Shibahara and Aoyama qualified for the WTA Finals for the second time with a seeding of No. 3 but lost in the round robin stage.

### 2024–2025: First WTA wins & quarterfinal, Major & top 150 debuts in singles

After entering the main draw as a lucky loser, Shibahara won her first WTA Tour singles main-draw match, when she defeated Tamara Korpatsch in three sets in the first round at the WTA 250 Prague Open, her second career victory over a top 100 player. She also made her major debut in singles at the 2024 US Open, after qualifying into the main draw. She recorded her first singles win at a major over Australian Daria Saville, before losing to world No. 1, Iga Świątek in the second round, in straight sets. She also qualified for the main draw at the WTA 500 Guadalajara Open for the second time and defeated another Australian and fellow qualifier, Kimberly Birrell, for her second WTA Tour win. She won her 11th doubles title at the 2024 Japan Women's Open in Osaka partnering Laura Siegemund. Shibahara and Siegemund ended runners-up at the Pan Pacific Open, losing to Shuko Aoyama and Eri Hozumi in the final.
At the 2025 ATX Open Shibahara qualified for the main draw and reached her first WTA quarterfinal defeating Kaja Juvan and again Kimberly Birrell.

## Performance timeline

Key :
| W | F | SF | QF | #R | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |
Only main-draw results in WTA Tour, Grand Slam tournaments, Billie Jean King Cup and Olympic Games are included in win–loss records and career statistics.

### Doubles

Current through the 2023 Indian Wells Open.
| Tournament | 2016 | ... | 2019 | 2020 | 2021 | 2022 | 2023 | SR | W–L | Win% |
| Grand Slam tournaments |||||||||||
| Australian Open | A | | A | 3R | QF | SF | F | 0 / 4 | 13–4 | 76% |
| French Open | A | | A | QF | 2R | 3R | 2R | 0 / 4 | 7–4 | 64% |
| Wimbledon | A | | A | NH | SF | 3R | 1R | 0 / 3 | 6–3 | 67% |
| US Open | 1R | | 1R | 2R | 3R | 3R | 1R | 0 / 6 | 5–6 | 45% |
| Win–loss | 0–1 | | 0–1 | 5–3 | 10–4 | 10–4 | 6–4 | 0 / 17 | 31–17 | 65% |
| National representation |||||||||||
| Summer Olympics | A | NH | NH | NH | 1R | NH | NH | 0 / 1 | 0–1 | 0% |
| Year-end championships |||||||||||
| WTA Finals | DNQ | DNQ | DNQ | NH | SF | DNQ | | 0 / 1 | 2–2 | 50% |
| WTA 1000 |||||||||||
| Dubai / Qatar Open | A | | A | 1R | 2R | QF | A | 0 / 3 | 1–3 | 25% |
| Indian Wells Open | A | | A | NH | SF | F | SF | 0 / 3 | 9–3 | 75% |
| Miami Open | A | | A | NH | W | 2R | 1R | 1 / 3 | 5–2 | 71% |
| Madrid Open | A | | A | NH | 1R | A | 1R | 0 / 2 | 0–2 | 0% |
| Italian Open | A | | A | SF | SF | A | QF | 0 / 3 | 7–3 | 70% |
| Canadian Open | A | | A | NH | 2R | 2R | W | 1 / 3 | 6–2 | 75% |
| Cincinnati Open | A | | A | 2R | QF | 2R | 1R | 0 / 4 | 2–4 | 33% |
| Guadalajara Open | NH | NH | NH | NH | NH | A | 2R | 0 / 1 | 0–1 | 0% |
| Wuhan Open | A | | 1R | NH | NH | NH | NH | 0 / 1 | 0–1 | 0% |
| China Open | A | | SF | NH | NH | NH | | 0 / 1 | 3–1 | 75% |
| Career statistics |||||||||||
| Tournaments | 1 | | 12 | 11 | 21 | 17 | 16 | Career total: 73 | Career total: 73 | Career total: 73 |
| Titles | 0 | | 2 | 1 | 5 | 0 | 2 | Career total: 10 | Career total: 10 | Career total: 10 |
| Finals | 0 | | 4 | 1 | 5 | 1 | 4 | Career total: 15 | Career total: 15 | Career total: 15 |
| Overall win–loss | 0–1 | | 22–10 | 17–10 | 39–17 | 30–16 | 29–23 | 10 / 73 | 137–77 | 64% |
| Win % | 0% | | 69% | 63% | 70% | 65% | 56% | Career total: 64% | Career total: 64% | Career total: 64% |
| Year-end ranking | 1061 | | 31 | 23 | 5 | 22 | | $1,134,447 | $1,134,447 | $1,134,447 |

### Mixed doubles

| Tournaments | 2021 | 2022 | 2023 | 2024 | SR | W–L | Win% |
| Australian Open | 2R | QF | 1R | 2R | 0 / 4 | 4–4 | 50% |
| French Open | A | W | 1R | 2R | 1 / 3 | 6–2 | 75% |
| Wimbledon | 2R | 2R | 2R | QF | 0 / 4 | 5–4 | 56% |
| US Open | 2R | QF | SF | | 0 / 3 | 6–3 | 67% |
| Win–loss | 3–3 | 10–3 | 4–4 | 4–3 | 1 / 14 | 21–13 | 62% |

## Grand Slam tournament finals
### Women's doubles: 1 (runner-up)

| Result | Year | Tournament | Surface | Partner | Opponents | Score |
| Loss | 2023 | Australian Open | Hard | Shuko Aoyama | Barbora Krejčíková Kateřina Siniaková | 4–6, 3–6 |

### Mixed doubles: 1 (title)

| Result | Year | Tournament | Surface | Partner | Opponents | Score |
| Win | 2022 | French Open | Clay | Wesley Koolhof | Ulrikke Eikeri Joran Vliegen | 7–6$^{(7–5)}$, 6–2 |

## Other significant finals
### WTA 1000 tournaments
#### Doubles: 3 (2 titles, 1 runner-up)

| Result | Date | Tournament | Surface | Partner | Opponents | Score |
| Win | 2021 | Miami Open | Hard | Shuko Aoyama | Hayley Carter Luisa Stefani | 6–2, 7–5 |
| Loss | 2022 | Indian Wells Open | Hard | Asia Muhammad | Xu Yifan Yang Zhaoxuan | 5–7, 6–7$^{(4–7)}$ |
| Win | 2023 | Canadian Open | Hard | Shuko Aoyama | Desirae Krawczyk Demi Schuurs | 6–4, 4–6, [13–11] |

## WTA Tour finals
### Doubles: 18 (11 titles, 7 runner-ups)

* Legend
* Grand Slam (0–1)
* WTA 1000 (2–1)
* WTA 500 (5–4)
* WTA 250 (4–1)
* Finals by surface
* Hard (9–5)
* Clay (0–2)
* Grass (2–0)
* Finals by setting
* Outdoor (9–7)
* Indoor (2–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Apr 2019 | Copa Colsanitas, Colombia | International | Clay | Hayley Carter | Zoe Hives Astra Sharma | 1–6, 2–6 |
| Loss | 0–2 | Aug 2019 | Silicon Valley Classic, United States | Premier | Hard | Shuko Aoyama | Nicole Melichar Květa Peschke | 4–6, 4–6 |
| Win | 1–2 | Oct 2019 | Tianjin Open, China | International | Hard | Shuko Aoyama | Nao Hibino Miyu Kato | 6–3, 7–5 |
| Win | 2–2 | Oct 2019 | Kremlin Cup, Russia | Premier | Hard (i) | Shuko Aoyama | Kirsten Flipkens Bethanie Mattek-Sands | 6–2, 6–1 |
| Win | 3–2 | Feb 2020 | St. Petersburg Trophy, Russia | Premier | Hard (i) | Shuko Aoyama | Kaitlyn Christian Alexa Guarachi | 4–6, 6–0, [10–3] |
| Win | 4–2 | Jan 2021 | Abu Dhabi Open, U.A.E. | WTA 500 | Hard | Shuko Aoyama | Hayley Carter Luisa Stefani | 7–6$^{(5)}$, 6–4 |
| Win | 5–2 | Feb 2021 | Yarra Valley Classic, Australia | WTA 500 | Hard | Shuko Aoyama | Anna Kalinskaya Viktória Kužmová | 6–3, 6–4 |
| Win | 6–2 | Apr 2021 | Miami Open, United States | WTA 1000 | Hard | Shuko Aoyama | Hayley Carter Luisa Stefani | 6–2, 7–5 |
| Win | 7–2 | Jun 2021 | Eastbourne International, United Kingdom | WTA 500 | Grass | Shuko Aoyama | Nicole Melichar Demi Schuurs | 6–1, 6–4 |
| Win | 8–2 | Aug 2021 | Tennis in Cleveland, United States | WTA 250 | Hard | Shuko Aoyama | Christina McHale Sania Mirza | 7–5, 6–3 |
| Loss | 8–3 | Mar 2022 | Indian Wells Open, United States | WTA 1000 | Hard | Asia Muhammad | Xu Yifan Yang Zhaoxuan | 5–7, 6–7$^{(4)}$ |
| Loss | 8–4 | Jan 2023 | Australian Open, Australia | Grand Slam | Hard | Shuko Aoyama | Barbora Krejčíková Kateřina Siniaková | 4–6, 3–6 |
| Loss | 8–5 | Apr 2023 | Charleston Open, United States | WTA 500 | Clay | Giuliana Olmos | Danielle Collins Desirae Krawczyk | 6–0, 4–6, [12–14] |
| Win | 9–5 | Jun 2023 | Rosmalen Open, Netherlands | WTA 250 | Grass | Shuko Aoyama | Viktória Hrunčáková Tereza Mihalíková | 6–3, 6–3 |
| Win | 10–5 | Aug 2023 | Canadian Open, Canada | WTA 1000 | Hard | Shuko Aoyama | Desirae Krawczyk Demi Schuurs | 6–4, 4–6, [13–11] |
| Loss | 10–6 | Oct 2023 | Zhengzhou Open, China | WTA 500 | Hard | Shuko Aoyama | Gabriela Dabrowski Erin Routliffe | 2–6, 4–6 |
| Win | 11–6 | Oct 2024 | Japan Women's Open, Japan | WTA 250 | Hard | Laura Siegemund | Cristina Bucșa Monica Niculescu | 3–6, 6–2, [10–2] |
| Loss | 11–7 | Oct 2024 | Pan Pacific Open, Japan | WTA 500 | Hard | Laura Siegemund | Shuko Aoyama Eri Hozumi | 4–6, 6–7$^{(4)}$ |

## WTA Challenger finals
### Doubles: 2 (1 title, 1 runner–up)

| Result | W–L | Date | Tournament | Surface | Partner | Opponents | Score |
| Win | 1–0 | Jan 2019 | Newport Beach Challenger, United States | Hard | Hayley Carter | Taylor Townsend Yanina Wickmayer | 6–3, 7–6$^{(1)}$ |
| Loss | 1–1 | Nov 2019 | Houston Challenger, United States | Hard | Sharon Fichman | Ellen Perez Luisa Stefani | 6–1, 4–6, [5–10] |

## ITF Circuit finals
### Singles: 3 (1 title, 2 runner-ups)

* Legend
* W100 tournaments (0–1)
* W75 tournaments (0–1)
* W35 tournaments (1–0)
* Finals by surface
* Hard (1–2)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | Feb 2024 | ITF Spring, United States | W35 | Hard | Iva Jovic | 6–2, 4–6, 6–3 |
| Loss | 1–1 | Apr 2024 | Ando Securities Open, Japan | W100 | Hard | Maddison Inglis | 4–6, 6–3, 2–6 |
| Loss | 1–2 | Sep 2024 | Rancho Santa Fe Open, United States | W75 | Hard | Iva Jovic | 3–6, 3–6 |

### Doubles: 9 (7 titles, 2 runner–ups)

* Legend
* W100 tournaments
* W60 tournaments (3–1)
* W25 tournaments (4–1)
* Finals by surface
* Hard (6–1)
* Grass (0–1)
* Carpet (1–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Oct 2015 | ITF Makinohara, Japan | W25 | Grass | Yukina Saigo | Kanae Hisami Kotomi Takahata | 4–6, 1–6 |
| Win | 1–1 | Jun 2018 | ITF Baton Rouge, US | W25 | Hard | Hayley Carter | Astra Sharma Gabriela Talaba | 6–3, 6–4 |
| Win | 2–1 | Aug 2018 | Lexington Challenger, US | W60 | Hard | Hayley Carter | Sanaz Marand Victoria Rodríguez | 6–3, 6–1 |
| Win | 3–1 | Oct 2018 | Stockton Challenger, US | W60 | Hard | Hayley Carter | Quinn Gleason Luisa Stefani | 7–5, 5–7, [10–7] |
| Win | 4–1 | Nov 2018 | ITF Lawrence, US | W25 | Hard (i) | Vladica Babić | Anna Danilina Ksenia Laskutova | 6–4, 6–2 |
| Win | 5–1 | Nov 2018 | ITF Norman, US | W25 | Hard | Vladica Babić | María Portillo Ramírez Sofia Sewing | 6–2, 6–3 |
| Win | 6–1 | Feb 2019 | Rancho Santa Fe Open, US | W25 | Hard | Hayley Carter | Francesca Di Lorenzo Caty McNally | 7–5, 6–2 |
| Win | 7–1 | May 2019 | Kurume Cup, Japan | W60 | Carpet | Hiroko Kuwata | Erina Hayashi Moyuka Uchijima | 0–6, 6–4, [10–5] |
| Loss | 7–2 | Feb 2023 | Burnie International, Australia | W60 | Hard | Arina Rodionova | Mai Hontama Eri Hozumi | 6–4, 3–6, [6–10] |

## Junior Grand Slam finals
### Girls' doubles: 1 (title)

| Result | Year | Tournament | Surface | Partner | Opponents | Score |
| Win | 2016 | US Open | Hard | Jada Hart | Kayla Day Caroline Dolehide | 4–6, 6–2, [13–11] |