| Challenger Brisbane | 11/11 00:00 | 25 |
[240] Rio Noguchi v
Jake Delaney
[361] |
2-6,6-7 | |
| Challenger Matsuyama | 11/07 02:00 | 27 |
[167] Henrique Rocha
v
Rio Noguchi [246]
|
7-5,4-6,6-3 | |
| Challenger Matsuyama | 11/05 03:30 | 26 |
[465] Philip Sekulic
v
Rio Noguchi [246]
|
2-6,6-7 | |
| Challenger Matsuyama | 11/04 01:00 | 25 |
[424] Yusuke Takahashi
v
Rio Noguchi [246]
|
5-7,4-6 | |
| Challenger Seoul | 10/29 02:00 | 26 |
[252] Rio Noguchi v
Sho Shimabukuro
[193] 
|
4-6,3-6 | |
| Challenger Seoul | 10/27 06:40 | 25 |
[112] James Duckworth
v
Rio Noguchi [252]
|
6-1,5-7,3-6 | |
| Challenger Shenzhen | 10/15 05:30 | 25 |
[246] Rio Noguchi v
Kaichi Uchida
[368] |
7-5,4-6,3-6 | |
| Challenger Jinan | 10/06 04:35 | 14 |
[219] Rio Noguchi v
Sergey Fomin
[492] |
7-6,4-6,6-7 | |
| ATP Shanghai | 09/29 12:15 | 14 |
[157] Yoshihito Nishioka
v
Rio Noguchi [209]
|
6-3,6-2 | |
| ATP Tokyo | 09/22 03:50 | 14 |
[72] Juan Manuel Cerundolo
v
Rio Noguchi [214]
|
6-3,6-2 | |
| Challenger Shanghai | 09/05 09:00 | 27 |
[225] Yasutaka Uchiyama
v
Rio Noguchi [219]
|
5-7,6-2,6-4 | |
| Challenger Shanghai | 09/04 09:25 | 26 |
[230] Oliver Crawford
v
Rio Noguchi [219]
|
4-6,6-1,4-6 | |
| Challenger Shanghai | 09/03 07:15 | 25 |
[219] Rio Noguchi v
Yosuke Watanuki
[148] 
|
6-4,7-5 | |
| Challenger Zhangjiagang | 08/28 08:00 | 26 |
[180] Kaichi Uchida
v
Rio Noguchi [219]
|
6-1,7-6 | |
| Challenger Zhangjiagang | 08/26 14:00 | 25 |
Linang Xiao
v
Rio Noguchi
|
6-7,1-6 | |
| US Open | 08/19 15:00 | 14 |
[118] Jaime Faria
v
Rio Noguchi [196]
|
3-6,6-4,6-3 | |
| Challenger Cancun | 08/14 23:00 | 26 |
[210] Rio Noguchi v
Stan Wawrinka
[152] 
|
3-6,4-6 | |
| Challenger Cancun | 08/14 15:30 | 25 |
[360] Pablo Llamas Ruiz
v
Rio Noguchi [210]
|
Retired | |
| Challenger Cancun | 08/14 15:30 | 25 |
[114] Liam Draxl
v
Rio Noguchi [210]
|
Cancelled | |
| Challenger Cancun | 08/12 20:00 | 19 |
[210] Rio Noguchi v
James Watt
[136] |
6-4,6-4 | |
| Challenger Cancun | 08/11 20:00 | 14 |
[210] Rio Noguchi v
Ray Ho
[81] |
3-6,7-6,6-4 | |
| Challenger Bloomfield Hills | 07/23 19:55 | 26 |
[198] Alexis Galarneau
v
Rio Noguchi [213]
|
6-1,6-4 | |
| Challenger Bloomfield Hills | 07/22 14:00 | 25 |
[213] Rio Noguchi v
Shintaro Mochizuki
[123] 
|
Retired | |
| Challenger Granby | 07/17 14:00 | 26 |
[208] Sho Shimabukuro
v
Rio Noguchi [209]
|
6-3,5-7,6-2 | |
| Challenger Granby | 07/16 14:00 | 25 |
Rio Noguchi v
Philip Sekulic
|
6-2,6-4 | |
| Challenger Winnipeg | 07/12 15:00 | 27 |
[222] Rio Noguchi v
Liam Draxl
[147]
|
1-6,2-6 | |
| Challenger Winnipeg | 07/10 15:00 | 26 |
Rio Noguchi v
Nicolas Arseneault
|
7-5,6-2 | |
| Challenger Winnipeg | 07/08 21:10 | 25 |
[222] Rio Noguchi v
Andre Ilagan
[371] |
6-3,3-6,6-1 | |
| 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 |
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. 196 achieved on 18 August 2025 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.