ATP Tokyo | 09/22 03:50 | 14 |
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6-3,6-2 | |
Challenger Shanghai | 09/05 09:00 | 27 |
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5-7,6-2,6-4 | |
Challenger Shanghai | 09/04 09:25 | 26 |
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4-6,6-1,4-6 | |
Challenger Shanghai | 09/03 07:15 | 25 |
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6-4,7-5 | |
Challenger Zhangjiagang | 08/28 08:00 | 26 |
[180] Internacional de Regatas U19
v
Rio Noguchi [219] ![]() |
6-1,7-6 | |
Challenger Zhangjiagang | 08/26 14:00 | 25 |
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6-7,1-6 | |
US Open | 08/19 15:00 | 14 |
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3-6,6-4,6-3 | |
Challenger Cancun | 08/14 23:00 | 26 |
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3-6,4-6 | |
Challenger Cancun | 08/14 15:30 | 25 |
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Retired | |
Challenger Cancun | 08/14 15:30 | 25 |
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Cancelled | |
Challenger Cancun | 08/12 20:00 | 19 |
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6-4,6-4 | |
Challenger Cancun | 08/11 20:00 | 14 |
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3-6,7-6,6-4 | |
Challenger Bloomfield Hills | 07/23 19:55 | 26 |
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6-1,6-4 | |
Challenger Bloomfield Hills | 07/22 14:00 | 25 |
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Retired | |
Challenger Granby | 07/17 14:00 | 26 |
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6-3,5-7,6-2 | |
Challenger Granby | 07/16 14:00 | 25 |
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6-2,6-4 | |
Challenger Winnipeg | 07/12 15:00 | 27 |
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1-6,2-6 | |
Challenger Winnipeg | 07/10 15:00 | 26 |
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7-5,6-2 | |
Challenger Winnipeg | 07/08 21:10 | 25 |
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6-3,3-6,6-1 | |
Challenger Cary | 07/01 22:00 | 25 |
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5-7,6-2,3-6 | |
Challenger Tyler | 06/06 17:45 | 27 |
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5-7,2-6 | |
Challenger Tyler | 06/04 15:00 | 26 |
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5-7,6-2,6-1 | |
Challenger Tyler | 06/02 20:15 | 25 |
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3-6,6-2,6-0 | |
Challenger Little Rock | 05/30 17:00 | 27 |
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6-1,6-2 | |
Challenger Little Rock | 05/29 20:50 | 26 |
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7-5,6-3 | |
Challenger Little Rock | 05/28 20:00 | 25 |
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6-4,6-4 | |
Challenger Wuxi | 05/09 06:25 | 27 |
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4-6,2-6 | |
Challenger Wuxi | 05/07 03:00 | 26 |
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6-2,6-4 | |
Challenger Wuxi | 05/05 11:35 | 25 |
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2-6,6-3,0-6 | |
Challenger Guangzhou | 04/28 06:15 | 25 |
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6-7,6-7 |
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.
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.