The Wakagoi or Young Carp is a Go competition in Japan for players 30 years of age or younger and at most 7 dan in rank.
Its full name is, named after the sponsor Hiroshima Aluminum Industry Co., Ltd.
The tournament was founded in 2006 and is held annually. It was considered a local unofficial tournament in its first five years, before becoming an official tournament in 2011.[1] The maximum rank for eligible players was 5 dan from 2006 to 2010, 6 dan until 2014, and the current 7 dan since 2015.[2]
The winner's prize is ¥3,000,000 (formerly ¥2,000,000 from 2006 to 2014).
| Year | Winner | Runner-up | ||
| 1. | 2006 | Hsieh Yimin | Lee Ishu | |
| 2. | 2007 | Shida Tatsuya | Mitani Tetsuya | |
| 3. | 2008 | Mitani Tetsuya | Anzai Nobuaki | |
| 4. | 2009 | Uchida Shuhei | Yamamori Tadanao | |
| 5. | 2010 | Terayama Rei | Yamamoto Kentaro | |
| 6. | 2011 | Uchida Shuhei | Shida Tatsuya | |
| 7. | 2012 | Shinji Suzuki | Ichiriki Ryo | |
| 8. | 2013 | Ichiriki Ryo | Fujita Akihiko | |
| 9. | 2014 | Motoki Katsuya | Mutsuura Yuta | |
| 10. | 2015 | Terayama Rei | Shida Tatsuya | |
| 11. | 2016 | Ichiriki Ryo | Motoki Katsuya | |
| 12. | 2017 | Li Yi-hsiu | Yao Zhiteng | |
| 13. | 2018 | Fujita Akihiko | Koike Yoshihiro | |
| 14. | 2019 | Hirata Tomoya | Mutsuura Yuta | |
| 15. | 2020 | Fujisawa Rina | Sun Zhe | |
| 16. | 2021 | Ueno Asami | Nishi Takenobu | |
| 17. | 2022 | Ueno Asami | Koike Yoshihiro | |
| 18. | 2023 | Hirose Yuichi | Koike Yoshihiro | |
| 19. | 2024 | Yokotsuka Riki[3] | Hirose Yuichi |