Results
| Challenger Cary | 07/01 22:00 | 25 | [222] Rio Noguchi v Hiroki Moriya [398] | 5-7,6-2,3-6 | |
| Challenger Tyler | 06/06 17:45 | 27 |
[246] Rio Noguchi v
Yi Zhou
[367] 
|
5-7,2-6 | |
| Challenger Tyler | 06/04 15:00 | 26 | [246] Rio Noguchi v Stefan Dostanic [416] | 5-7,6-2,6-1 | |
| Challenger Tyler | 06/02 20:15 | 25 | [246] Rio Noguchi v Christian Langmo [325] | 3-6,6-2,6-0 | |
| Challenger Little Rock | 05/30 17:00 | 27 |
[344] Patrick Kypson
v
Rio Noguchi [246] |
6-1,6-2 | |
| Challenger Little Rock | 05/29 20:50 | 26 |
[246] Rio Noguchi v
Paul Jubb
[254] 
|
7-5,6-3 | |
| Challenger Little Rock | 05/28 20:00 | 25 |
[246] Rio Noguchi v
Yi Zhou
[367]
|
6-4,6-4 | |
| Challenger Wuxi | 05/09 06:25 | 27 |
[255] Rio Noguchi v
Terence Atmane
[119] 
|
4-6,2-6 | |
| Challenger Wuxi | 05/07 03:00 | 26 | Rio Noguchi v Zhe Li | 6-2,6-4 | |
| Challenger Wuxi | 05/05 11:35 | 25 |
[172] Hugo Grenier
v
Rio Noguchi [255] |
2-6,6-3,0-6 | |
| Challenger Guangzhou | 04/28 06:15 | 25 |
[254] Rio Noguchi v
Brandon Holt
[110] 
|
6-7,6-7 | |
| Challenger Gwangju | 04/24 03:20 | 26 |
[185] Alibek Kachmazov
v
Rio Noguchi [254] |
7-6,6-4 |
Wikipedia - 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. 177 achieved on 5 May 2025.
History
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.