| Yuki Naito 内藤 祐希 | |
| Birth Date: | 2001 2, df=yes |
| Birth Place: | Niigata, Japan |
| Height: | 1.63 m |
| Plays: | Right-handed (two-handed backhand) |
| Careerprizemoney: | US$387,354 |
| Singlestitles: | 6 ITF |
| Highestsinglesranking: | No. 169 (5 April 2021) |
| Currentsinglesranking: | No. 365 (29 July 2024) |
| Australianopenresult: | Q2 (2020, 2021) |
| Frenchopenresult: | Q3 (2022) |
| Wimbledonresult: | Q1 (2022) |
| Usopenresult: | Q2 (2021) |
| Doublestitles: | 10 ITF |
| Highestdoublesranking: | No. 224 (13 August 2018) |
| Currentdoublesranking: | No. 373 (29 July 2024) |
| Frenchopendoublesjuniorresult: | F (2018) |
| Wimbledondoublesjuniorresult: | 1R (2016) |
| Usopendoublesjuniorresult: | 2R (2016) --> |
| Updated: | 29 July 2024 |
is a Japanese tennis player. Naito has been ranked as high as world No. 169 in singles and No. 224 in doubles by the Women's Tennis Association (WTA).
On the ITF Junior Circuit, Naito's career-high ranking was world No. 15.
In November 2016, she won the doubles tournament of the Ando Securities Open in Tokyo, partnering Rika Fujiwara. The pair defended their title the following year.
Only main-draw results in WTA Tour, Grand Slam tournaments, Fed Cup/Billie Jean King Cup and Olympic Games are included in win–loss records.
Current through the 2022 Pan Pacific Open.
| Tournament | 2020 | 2021 | 2022 | 2023 | SR | W–L | ||
|---|---|---|---|---|---|---|---|---|
| align=left colspan="8" | Grand Slam tournaments | |||||||
| Australian Open | Q2 | Q2 | Q1 | Q1 | 0 / 0 | 0–0 | ||
| French Open | Q2 | Q1 | Q3 | A | 0 / 0 | 0–0 | ||
| Wimbledon | NH | A | Q1 | A | 0 / 0 | 0–0 | ||
| US Open | A | Q2 | Q1 | A | 0 / 0 | 0–0 | ||
| Win–loss | 0–0 | 0–0 | 0–0 | 0–0 | 0 / 0 | 0–0 | ||
| align=left colspan="8" | Career statistics | |||||||
| Tournaments | 0 | 1 | 1 | Career total: 2 | ||||
| Overall win-loss | 0–0 | 0–3 | 0–1 | 0 / 2 | 0–4 | |||
| Year-end ranking | 184 | 257 | 220 | 369 | $326,468 | |||
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Feb 2019 | ITF Antalya, Turkey | W15 | Clay | Joanne Züger | 6–2, 3–6, 6–3 | |
| Loss | 1–1 | Feb 2019 | ITF Antalya, Turkey | W15 | Clay |  Maryna Chernyshova | 6–7(3), 6–2, 2–6 | |
| Loss | 1–2 | Mar 2019 | ITF Antalya, Turkey | W15 | Clay |  Seone Mendez | 5–7, 6–7(3) | |
| Loss | 1–3 | Apr 2019 | ITF Antalya, Turkey | W15 | Clay | 3–6, 6–4, 6–7(5) | ||
| Loss | 1–4 | May 2019 | Kurume Cup, Japan | W60 | Carpet |  Rebecca Marino | 4–6, 6–7(0) | |
| Win | 2–4 | Jun 2019 | ITF Kaltenkirchen, Germany | W15 | Clay | Clara Tauson | 4–6, 6–4, 6–0 | |
| Win | 3–4 | Jul 2019 | ITF Turin, Italy | W25 | Clay |  Elisabetta Cocciaretto | 6–3, 6–4 | |
| Win | 4–4 | Aug 2019 | ITF Nonthaburi, Thailand | W25 | Hard |  Wang Xinyu | 6–2, 6–7(4), 3–6 | |
| Win | 5–4 | Sep 2019 | ITF Pula, Italy | W25 | Clay |  Tessah Andrianjafitrimo | 3–6, 7–5, 6–2 | |
| Win | 6–4 | Mar 2021 | ITF Buenos Aires, Argentina | W25 | Clay |  Carolina Alves | 1–6, 6–4, 6–3 | |
| Loss | 6–5 | Jan 2022 | ITF Manacor, Spain | W25 | Hard |  Justina Mikulskytė | 3–6, 3–6 | |
| Loss | 6–6 | Apr 2022 | Clay Court International, Australia | W60 | Clay |  Jang Su-jeong | 7–6(3), 1–6, 4–6 | |
| Loss | 6–7 | May 2022 | ITF Split, Croatia | W25 | Clay |  Anastasia Kulikova | 6–7(4), 1–6 | |
| Loss | 6–8 | Oct 2023 | ITF Cairns, Australia | W25 | Hard | Taylah Preston | 4–6, 4–6 |
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Nov 2016 | Tokyo Open, Japan | W100 | Hard |  Rika Fujiwara |  Jamie Loeb  An-Sophie Mestach | 6–4, 6–7(12), [10–8] | ||
| Win | 2–0 | Nov 2017 | Tokyo Open, Japan (2) | W100 | Hard | Rika Fujiwara | Eri Hozumi Junri Namigata | 6–1, 6–3 | ||
| Win | 3–0 | May 2018 | Kangaroo Cup, Japan | W80 | Hard | Rika Fujiwara |  Ksenia Lykina  Emily Webley-Smith | 7–5, 6–4 | ||
| Loss | 3–1 | Jun 2018 | ITF Klosters, Switzerland | W25 | Clay |  Lucie Hradecká |  Akgul Amanmuradova  Ekaterine Gorgodze | 2–6, 3–6 | ||
| Loss | 3–2 | Jul 2019 | ITF Biella, Italy | W25 | Clay | Chihiro Muramatsu |  Elena Bogdan  Réka Luca Jani | 1–6, 3–6 | ||
| Win | 4–2 | Jul 2019 | ITF Turin, Italy | W25 | Clay | Chihiro Muramatsu |  Mayar Sherif  Melanie Stokke | 6–0, 6–2 | ||
| Win | 5–2 | Oct 2019 | ITF Pula, Italy | W25 | Clay | Eri Hozumi | Amina Anshba Anastasia Dețiuc | 6–4, 7–6(1) | ||
| Loss | 5–3 | Apr 2021 | Bellinzona Ladies Open, Switzerland | W60 | Clay | Rebecca Marino |  Anna Danilina Ekaterine Gorgodze | 5–7, 3–6 | ||
| Loss | 5–4 | Mar 2022 | Clay Court International, Australia | W60 | Clay | Moyuka Uchijima | Han Na-lae Jang Su-jeong | 6–3, 2–6, [5–10] | ||
| Win | 6–4 | Mar 2023 | Clay Court International, Australia | W60 | Clay | Erina Hayashi | Destanee Aiava Olivia Gadecki | 7–6(2), 7–5 | ||
| Win | 7–4 | Jul 2023 | ITF Stuttgart, Germany | W25 | Clay | Mana Kawamura | Denisa Hindová Karolína Kubáňová | 6–2, 6–7(4), [10–7] | ||
| Win | 8–4 | Oct 2023 | ITF Cairns, Australia | W25 | Hard | Naho Sato | Lizette Cabrera Maddison Inglis | 4–6, 6–3, [10–2] | ||
| Loss | 8–5 | Jan 2024 | ITF Nonthaburi, Thailand | W50 | Hard |  Maja Chwalińska | Anna Sisková Ksenia Zaytseva | 5–7, 6–7(3) | ||
| Win | 9–5 | Feb 2024 | ITF Traralgon, Australia | W35 | Hard | Naho Sato | Destanee Aiava Tenika McGiffin | 6–1, 6–3 | ||
| Win | 10–5 | Jun 2024 | ITF Kuršumlijska Banja, Serbia | W35 | Clay | Mana Kawamura | Inès Ibbou  Elena Milovanović | 6–4, 6–4 | ||
| Loss | 10–6 | Jul 2024 | ITF Horb am Neckar, Germany | W35 | Clay | Alina Charaeva | Aneta Kučmová Nika Radišić | 4–6, 7–6(3)), [2–10] | ||
| style=background:#ffa07a; | Loss | 10–7 | Nov 2024 | Brisbane QTC Tennis International, Australia | W50 | Hard |  Ankita Raina | Destanee Aiava Maddison Inglis | 3–6, 4–6 |