Yu Hirayama
Yu Hirayama is a Japanese badminton player. She was born in Shiogama city, in Miyagi prefecture, and graduated from St. Ursula High School. She is now a sophomore at the School of Social Sciences. She won the first prize of the inter-high school athletic meet when she was a second grade high school student, and the next year, she won the all-Japan second prize. She joined the Unisys badminton team in 2008, and was part of the Japanese team which played in the World Ladies' Championship and other worldwide tournaments.Achievements
The BWF Grand Prix has two levels, the Grand Prix and Grand Prix Gold. It is a series of badminton tournaments sanctioned by the Badminton World Federation since 2007.
Women's singles
| Year | Tournament | Opponent | Score | Result |
| 2009 | Bitburger Open |  Juliane Schenk | 18–21, 10–21 | Runner-up |
| 2007 | Vietnam Open |  Zhu Jingjing | 10–21, 10–21 | Runner-up |
BWF International Challenge/Series
Women's singles
| Year | Tournament | Opponent | Score | Result |
| 2009 | Swedish International |  Anita Raj Kaur | 21–15, 21–14 | Winner |
