Rio Noguchi

Rio Noguchi
Country (sports) Japan
Born (1998-12-28) 28 December 1998
Fukuoka,Japan
Height1.68 m (5 ft 6 in)
PlaysRight-handed (two-handed backhand)
CoachHiroyuki Kojima
Prize moneyUS $ 367,703
Singles
Career record1–1 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles0
Highest rankingNo. 196 (18 August 2025)
Current rankingNo. 227 (5 January 2026)
Grand Slam singles results
Australian OpenQ2 (2023)
French OpenQ1 (2023)
WimbledonQ2 (2023)
US OpenQ1 (2025)
Doubles
Career record0–1 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles0
Highest rankingNo. 177 (5 May 2025)
Current rankingNo. 195 (16 June 2025)
Last updated on: 6 November 2025.

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. 196 achieved on 18 August 2025 and a doubles ranking of No. 177 achieved on 5 May 2025.[1]

Career

2022-2025: ATP debut, first ATP 500 win, Top 200

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.[2][3] He lost to Denis Shapovalov in the second round.[4][5] As a result, he climbed 75 positions up the rankings into the top 250 on 17 October 2022.[1]

Performance timeline

Key
W  F  SF QF #R RR Q# DNQ A NH
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (DNQ) did not qualify; (A) absent; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.

Singles

Tournament 2025 SR W–L Win %
Grand Slam tournaments
Australian Open A 0 / 0 0–0  – 
French Open A 0 / 0 0–0  – 
Wimbledon A 0 / 0 0–0  – 
US Open Q1 0 / 0 0–0  – 
Win–loss 0–0 0 / 0 0–0  – 
ATP Masters 1000
Indian Wells Masters A 0 / 0 0–0  – 
Miami Open A 0 / 0 0–0  – 
Monte Carlo Masters A 0 / 0 0–0  – 
Madrid Open A 0 / 0 0-0  – 
Italian Open A 0 / 0 0–0  – 
Canadian Open A 0 / 0 0–0  – 
Cincinnati Masters A 0 / 0 0–0  – 
Shanghai Masters Q1 0 / 0 0–0  – 
Paris Masters A 0 / 0 0–0  – 
Win–loss 0–0 0 / 0 0–0  – 

ATP Challenger Tour finals

Singles: 4 (2–2)

Legend
ATP Challenger Tour (2–2)
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
Win 1–2 Jan 2025 Nonthaburi, Thailand Challenger Hard Cui Jie 7–6(11–9), 6–2
Win 2–2 Jan 2026 Nonthaburi, Thailand Challenger Hard Marek Gengel 6–3, 6–4

Doubles: 6 (3 titles, 3 runner-ups)

Legend
ATP Challenger Tour (3–3)
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]
Win 1–3 Dec 2024 Nonthaburi, Thailand Challenger Hard Kokoro Isomura Zdeněk Kolář
Neil Oberleitner
7–6(7–3), 7–6(11–9)
Win 2–3 Feb 2025 New Delhi, India Challenger Hard Masamichi Imamura Niki Kaliyanda Poonacha
Courtney John Lock
6–4, 6–3
Win 3–3 Apr 2025 Busan, South Korea Challenger Hard Yuta Shimizu Ray Ho
Matthew Romios
7–6(9–7), 6–4

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]

References

  1. ^ a b "Rio Noguchi | Rankings History | ATP Tour | Tennis". ATP Tour.
  2. ^ "ATP Tour – Tuesday, Oct. 4, 2022 final results".
  3. ^ "Out Of COVID Quarantine, Fritz Arrives & Survives In Tokyo". ATPTour. 5 October 2022.
  4. ^ "ALMATY (ASTANA) FINAL RESULTS SCHEDULES/RESULTS TOKYO - ATP Tour – Thursday, Oct. 6, 2022 final results". OpenCourt.ca. 6 October 2022.
  5. ^ "Denis Shapovalov advances to quarterfinals at Japan Open". 6 October 2022.