| Country (sports) | Japan |
|---|---|
| Born | 28 June 2002 Nagasaki Prefecture, Japan[1][2] |
| Height | 1.63 m (5 ft 4 in) |
| Plays | Left (two-handed backhand) |
| Prize money | $50,369 |
| Singles | |
| Career record | 89–59 |
| Career titles | 4 ITF |
| Highest ranking | No. 346 (9 October 2023) |
| Current ranking | No. 578 (9 September 2024) |
| Doubles | |
| Career record | 55–42 |
| Career titles | 2 ITF |
| Highest ranking | No. 232 (4 December 2023) |
| Current ranking | No. 308 (9 September 2024) |
| Last updated on: 9 September 2024. | |
Natsumi Kawaguchi (川口夏実, Kawaguchi Natsumi, born 28 June 2002) is a Japanese tennis player.[3]
On 9 October 2023, she has achieved career-high rankings of 346 in singles and on 4 December 2023 of 232 in doubles.
Kawaguchi and her partner Adrienn Nagy won the 2019 Australian girls' doubles title, beating Emma Navarro and Chloe Beck in the final.[4]
She qualified for the main draw of the WTA 500 2023 Pan Pacific Open at home in Tokyo but had to withdraw shortly after.