# Rio Noguchi

Rio Noguchi (野口莉央, Noguchi Rio, born 28 December 1998) is a Japanese professional tennis player. He has a career high ATP singles ranking of No. 201 achieved on 7 November 2022 and a doubles ranking of No. 261 achieved on 23 October 2023.

## Career
### 2022: ATP debut, first win and Top 250

Noguchi made his ATP main draw debut at the 2022 Rakuten Japan Open Tennis Championships after qualifying for the singles main draw, defeating Tatsuma Ito and Yusuke Takahashi to qualify. He won his first ATP and ATP 500 level match defeating fellow qualifier Ramkumar Ramanathan. As a result, he climbed 75 positions up the rankings into the top 250.

## ATP Challenger Tour finals
### Singles: 2 (2 runner-ups)

* Legend
* ATP Challenger Tour (0–2)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Oct 2022 | Playford, Australia | Challenger | Hard | Rinky Hijikata | 1–6, 1–6 |
| Loss | 0–2 | Aug 2024 | Jinan, China | Challenger | Hard | Wu Yibing | 5–7, 3–6 |

### Doubles: 3 (3 runner-ups)

* Legend
* ATP Challenger Tour (0–3)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Oct 2022 | Playford, Australia | Challenger | Hard | Yusuke Takahashi | Jeremy Beale Calum Puttergill | 6–7$^{(2–7)}$, 4–6 |
| Loss | 0–2 | Nov 2022 | Yokkaichi, Japan | Challenger | Hard | Masamichi Imamura | Yu Hsiou Hsu Yuta Shimizu | 6–7$^{(2–7)}$, 4–6 |
| Loss | 0–3 | Aug 2024 | Jinan, China | Challenger | Hard | Edward Winter | Yuta Shimizu Chung Yun-seong | 3–6, 7–6$^{(7–5)}$, [6–10] |

## ITF Futures/World Tennis Tour finals
### Singles: 17 (8 titles, 9 runner-ups)

* Legend
* ITF Futures/WTT (8–9)
* Finals by surface
* Hard (7–6)
* Clay (0–1)
* Grass (0–2)
* Carpet (1–0)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | May 2018 | Vietnam F1, Thua Thien Hue | Futures | Hard | Nam Ji-sung | 7–6$^{(7–5)}$, 6–3 |
| Loss | 1–1 | Jun 2018 | Japan F7, Karuizawa | Futures | Clay | Takashi Saito | 3–6, 4–6 |
| Win | 2–1 | Jun 2018 | Japan F8, Akishima | Futures | Carpet (i) | Gengo Kikuchi | 6–3, 6–4 |
| Loss | 2–2 | Dec 2018 | Pakistan F1, Islamabad | Futures | Hard | Cheong-Eui Kim | 7–6$^{(7–3)}$, 2–6, 1–6 |
| Win | 2–3 | Dec 2018 | Pakistan F3, Islamabad | Futures | Hard | Kai Wehnelt | 1–6, 5–7 |
| Loss | 2–4 | Jun 2019 | M25 Nonthaburi, Thailand | WTT | Hard | Sidharth Rawat | 5–7, 0–6 |
| Loss | 2–5 | Oct 2019 | M25 Tay Ninh, Vietnam | WTT | Hard | Daniel Nguyen | 4–6, 2–6 |
| Loss | 2–6 | Mar 2020 | M25 Mildura, Australia | WTT | Grass | Brydan Klein | 5–7, 3–6 |
| Win | 3–6 | Oct 2021 | M25 Pretoria, South Africa | WTT | Hard | Filip Peliwo | 6–3, 7–5 |
| Loss | 3–7 | Jun 2022 | M25 Harmon Air Force, Guam (USA) | WTT | Hard | Hong Seong-chan | 3–6, 2–6 |
| Win | 4–7 | Jul 2022 | M25 Idanha-a-Nova, Portugal | WTT | Hard | Ben Patael | 6–2, 6–4 |
| Win | 5–7 | Jul 2022 | M25 Idanha-a-Nova, Portugal | WTT | Hard | Ben Patael | 6–2, 7–6$^{(7–5)}$ |
| Win | 6–7 | Sep 2022 | M25 Sapporo, Japan | WTT | Hard | Shuichi Sekiguchi | 4–6, 7–5, 6–2 |
| Win | 7–7 | Sep 2022 | M25 Sapporo, Japan | WTT | Hard | Tatsuma Ito | 6–1, 4–0 ret. |
| Loss | 7–8 | Oct 2022 | M25 Kashiwa, Japan | WTT | Hard | Rimpei Kawakami | 0–0 def. |
| Loss | 7–9 | Mar 2024 | M25 Swan Hill, Australia | WTT | Grass | Alex Bolt | 1–6, 2–6 |
| Win | 8–9 | Oct 2024 | M25 Cairns, Australia | WTT | Hard | Blake Ellis | 6–7$^{(5–7)}$, 6–4, 7–6$^{(7–4)}$ |

### Doubles: 15 (7 titles, 8 runner-ups)

* Legend
* ITF Futures/WTT (7–8)
* Finals by surface
* Hard (4–5)
* Clay (3–1)
* Grass (0–0)
* Carpet (0–2)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Jun 2017 | Japan F8, Akishima | Futures | Carpet (i) | Yuta Shimizu | Yuto Sakai Yunosuke Tanaka | 3–6, 2–6 |
| Win | 1–1 | Feb 2018 | Spain F3, Paguera | Futures | Clay | Chung Yun-seong | Bruno Santanna David Vega Hernández | 2–6, 7–6$^{(8–6)}$, [10–8] |
| Loss | 1–2 | Jun 2018 | Japan F8, Karuizawa | Futures | Clay | Yuichiro Inui | Sora Fukuda Hiromasa Oku | 5–7, 4–6 |
| Win | 2–2 | Dec 2018 | Pakistan F1, Islamabad | Futures | Hard | Cheong-Eui Kim | Darko Jandrić Shonigmatjon Shofayziyev | 6–2, 6–4 |
| Loss | 2–3 | Dec 2018 | Pakistan F2, Islamabad | Futures | Hard | Sora Fukuda | Darko Jandrić Cheong-Eui Kim | 3–6, 4–6 |
| Loss | 2–4 | Dec 2018 | Pakistan F3, Islamabad | Futures | Hard | Ken Onishi | Anton Chekhov Kai Wehnelt | 3–6, 5–7 |
| Loss | 2–5 | Jun 2019 | M15 Akishima, Japan | WTT | Carpet (i) | Yunosuke Tanaka | Hiroyasu Ehara Sho Katayama | 3–6, 4–6 |
| Win | 3–5 | Oct 2019 | M25 Tay Ninh, Vietnam | WTT | Hard | Alexey Zakharov | Samuel Beren Billy Harris | 6–7$^{(5–7)}$, 6–4, [10–4] |
| Loss | 3–6 | Dec 2019 | M15 Doha, Qatar | WTT | Hard | Adam Moundir | Danylo Kalenichenko Ivan Liutarevich | 3–6, 6–7$^{(3–7)}$ |
| Win | 4–6 | Oct 2020 | M15 Sharm El Sheikh, Egypt | WTT | Hard | Shintaro Mochizuki | Ryan Nijboer Gijs Brouwer | 6–2, 7–5 |
| Win | 5–6 | Apr 2021 | M15 Antalya, Turkey | WTT | Clay | Shintaro Mochizuki | Constantin Schmitz Benjamin Hassan | 7–6$^{(7–2)}$, 6–2 |
| Loss | 5–7 | Aug 2021 | M25 Champaign, USA | WTT | Hard | Chung Yun-seong | Ben Shelton Eliot Spizzirri | 4–6, 0–6 |
| Loss | 5–8 | Nov 2021 | M25 Meitar, Israel | WTT | Hard | Naoki Nakagawa | Iiro Vasa Eero Vasa | 1–6, 6–7$^{(3–7)}$ |
| Win | 6–8 | Jul 2022 | M25 Idanha-a-Nova, Portugal | WTT | Hard | Alexandros Skorilas | Ray Ho Kelsey Stevenson | 6–7$^{(4–7)}$, 6–3, [10–3] |
| Win | 7–8 | May 2024 | M25 Kiseljak, Bosnia and Herzegovina | WTT | Clay | Koki Matsuda | Matěj Vocel Jakub Paul | 2–6, 7–6$^{(7–5)}$, [11–9] |