Place of Birth: Fukui, Japan
Height: 156.00cm
Current Residence: Fukui, Japan
Language(s): Japanese
International Debut: Osaka International Challenge 2012
Professional Since: 5 years old (2002)
National Team Member: 2012 (14 years old)
When and where you began playing, and why this sport?
"2000 (3 years old)"
Your equipment sponsor and current racket model?
"Yonex"
Memorable sporting achievements?
"Winner of Yonex Open Japan 2013"
Sporting awards / Honours (so far)?
"Most Prominsing Player of the Year 2013 and 2014 (BWF)"
Sporting ambitions?
"To win Uber Cup"
13 June, 2026
Australian Open: Relentless Yamaguchi in Fourth Straight Final
8 June, 2026
Australian Open: Yamaguchi Heads Field on Long-Awaited Return
7 June, 2026
Indonesia Open: The Ride Through Greatness Continues
| PERIOD | PLAYED | WON | LOST | BALANCE | EARNINGS |
|---|---|---|---|---|---|
| ALL | 706 | 535 | 171 | +364 | 2,414,483 |
| 2026 | 34 | 28 | 6 | +22 | 149,075 |
| PERIOD | PLAYED | WON | LOST | BALANCE | EARNINGS |
|---|---|---|---|---|---|
| ALL | 4 | 2 | 2 | 0 | 403 |
| 2026 | 0 | 0 | 0 | 0 | 0 |