| Rio Noguchi | |
| Birth Date: | 1998 12, df=yes |
| Birth Place: | Fukuoka,Japan |
| Height: | NaN1.68 |
| Plays: | Right-handed (two-handed backhand) |
| Coach: | Hiroyuki Kojima |
| Careerprizemoney: | $258,443 |
| Singlesrecord: | 1–1 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 201 (7 November 2022) |
| Currentsinglesranking: | No. 341 (1 August 2024) |
| Australianopenresult: | Q2 (2023) |
| Frenchopenresult: | Q1 (2023) |
| Wimbledonresult: | Q2 (2023) |
| Doublesrecord: | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Doublestitles: | 0 |
| Highestdoublesranking: | No. 261 (23 October 2023) |
| Currentdoublesranking: | No. 273 (6 November 2023) |
| Updated: | 12 November 2023 |
is a Japanese tennis player.He has a career high ATP singles ranking of No. 201 achieved on 7 November 2022. He also has a career high ATP doubles ranking of No. 261 achieved on 23 October 2023.[1]
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.
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| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Vietnam F1, Thua Thien Hue | Futures | Hard |  Ji-Sung Nam | 7–6(7–5), 6–3 | ||
| Loss | 1–1 | Japan F7, Karuizawa | Futures | Clay |  Takashi Saito | 3–6, 4–6 | ||
| Win | 2–1 | Japan F8, Akishima | Futures | Carpet | Gengo Kikuchi | 6–3, 6–4 | ||
| Loss | 2–2 | Pakistan F1, Islamabad | Futures | Hard | Cheong-Eui Kim | 7–6(7–3), 2–6, 1–6 | ||
| Win | 2–3 | Pakistan F3, Islamabad | Futures | Hard | Kai Wehnelt | 1–6, 5–7 | ||
| Loss | 2–4 | M25 Nonthaburi, Thailand | World Tennis Tour | Hard |  Sidharth Rawat | 5–7, 0–6 | ||
| Loss | 2–5 | M25 Tay Ninh, Vietnam | World Tennis Tour | Hard |  Daniel Nguyen | 4–6, 2–6 | ||
| Loss | 2–6 | M25 Mildura, Australia | World Tennis Tour | Grass |  Brydan Klein | 5–7, 3–6 | ||
| Win | 3–6 | M25 Pretoria, South Africa | World Tennis Tour | Hard |  Filip Peliwo | 6–3, 7–5 | ||
| Loss | 3–7 | M25 Harmon, Guam | World Tennis Tour | Hard | Seong Chan Hong | 3–6, 2–6 | ||
| Win | 4–7 | M25 Idanha-a-Nova, Portugal | World Tennis Tour | Hard |  Ben Patael | 6–2, 6–4 | ||
| Win | 5–7 | M25 Idanha-a-Nova, Portugal | World Tennis Tour | Hard | Ben Patael | 6–2, 7–6(7–5) | ||
| Win | 6–7 | M25 Sapporo, Japan | World Tennis Tour | Hard | Shuichi Sekiguchi | 4–6, 7–5, 6–2 | ||
| Win | 7–7 | M25 Sapporo, Japan | World Tennis Tour | Hard | Tatsuma Ito | 6–1, 4–0 ret. | ||
| Loss | 7–8 | M25 Kashiwa, Japan | World Tennis Tour | Hard | Rimpei Kawakami | default | ||
| Loss | 7–9 | Playford, Australia | Challenger | Hard |  Rinky Hijikata | 1–6, 1–6 | ||
| Loss | 7–10 | M25 Swan Hill, Australia | World Tennis Tour | Grass | Alex Bolt | 1–6, 2–6 | ||
| Loss | 7–11 | Jinan, China | Challenger | Hard |  Wu Yibing | 5–7, 3–6 | ||
| Win | 8–11 | M25 Cairns, Australia | World Tennis Tour | Hard | Blake Ellis | 6–7(5–7), 6–4, 7–6(7–4) |
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| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Japan F8, Akishima | Futures | Carpet | Yuta Shimizu | Yuto Sakai Yunosuke Tanaka | 3–6, 2–6 | ||
| Win | 1–1 | Spain F3, Paguera | Futures | Clay | Yunseong Chung |  Bruno Santanna David Vega Hernandez | 2–6, 7–6(8–6), [10–8] | ||
| Loss | 1–2 | Japan F8, Karuizawa | Futures | Clay | Yuichiro Inui | Sora Fukuda Hiromasa Oku | 5–7, 4–6 | ||
| Win | 2–2 | Pakistan F1, Islamabad | Futures | Hard | Cheong-Eui Kim |  Darko Jandric Shonigmatjon Shofayziyev | 6–2, 6–4 | ||
| Loss | 2–3 | Pakistan F2, Islamabad | Futures | Hard | Sora Fukuda | Darko Jandric Cheong-Eui Kim | 3–6, 4–6 | ||
| Loss | 2–4 | Pakistan F3, Islamabad | Futures | Hard | Ken Onishi |  Anton ChekhovKai Wehnelt | 3–6, 5–7 | ||
| Loss | 2–5 | M15 Akishima, Japan | World Tennis Tour | Carpet | Yunosuke Tanaka | Hiroyasu Ehara Sho Katayama | 3–6, 4–6 | ||
| Win | 3–5 | M25 Tay Ninh, Vietnam | World Tennis Tour | Hard | Alexey Zakharov | Samuel Beren Billy Harris | 6–7(5–7), 6–4, [10–4] | ||
| Loss | 3–6 | M15 Doha, Qatar | World Tennis Tour | Hard |  Adam Moundir |  Danylo Kalenichenko Ivan Liutarevich | 3–6, 6–7(3–7) | ||
| Win | 4–6 | M15 Sharm El Sheikh, Egypt | World Tennis Tour | Hard | Shintaro Mochizuki | Gijs Brouwer Ryan Nijboer | 6–2, 7–5 | ||
| Win | 5–6 | M15 Antalya, Turkey | World Tennis Tour | Clay | Shintaro Mochizuki |  Benjamin HassanConstantin Schmitz | 7–6(7–2), 6–2 | ||
| Loss | 5–7 | M25 Champaign, IL, United States | World Tennis Tour | Hard | Yunseong Chung | Ben Shelton Eliot Spizzirri | 4–6, 0–6 | ||
| Loss | 5–8 | M25 Meitar, Israel | World Tennis Tour | Hard | Naoki Nakagawa |  Eero Vasa Iiro Vasa | 1–6, 6–7(3–7) | ||
| Win | 6–8 | M25 Idanha-a-Nova, Portugal | World Tennis Tour | Hard | Alexandro Skorilas | Ray Ho  Kelsey Stevenson | 6–7(4–7), 6–3, [10–3] | ||
| Loss | 6–9 | Playford, Australia | Challenger | Hard | Yusuke Takahashi | Jeremy Beale Calum Puttergill | 6–7(2–7), 4–6 | ||
| Loss | 6–10 | Yokkaichi, Japan | Challenger | Hard | Masamichi Imamura | Yu Hsiou Hsu Yuta Shimizu | 6–7(2–7), 4–6 | ||
| Win | 7–10 | M25 Kiseljak, Bosnia-Herzegovina | World Tennis Tour | Clay | Koki Matsuda | Jakub Paul  Matej Vocel | 2–6, 7–6(7–5), [11–9] | ||
| Loss | 7–11 | Jinan, China | Challenger | Hard | Edward Winter | Chung Yun-seong Yuta Shimizu | 3–6, 7–6(7–5), [6–10] |