The U.S. International (officially Yonex / K&D Graphics International) is an open international badminton tournament held in Orange County, California, United States. This tournament previously a Grand Prix level.[1] [2] In 2016, this tournament downgraded to BWF International Challenge level.[3] In 2017, the tournament has both International Challenge and International Series event.[4]
| Year | Men's singles | Women's singles | Men's doubles | Women's doubles | Mixed doubles | |
|---|---|---|---|---|---|---|
| 2014 | Hsu Jen-hao |  Beiwen Zhang |  Adam Cwalina Przemysław Wacha | Hsieh Pei-chen Wu Ti-jung | Peter Käsbauer Isabel Herttrich | |
| 2015 |  Lee Hyun-il | Pai Yu-po | Goh V Shem Tan Wee Kiong | Jung Kyung-eun Shin Seung-chan | Choi Sol-gyu Eom Hye-won | |
| 2016 |  Riichi Takeshita | Beiwen Zhang | Frederik Colberg Rasmus Fladberg | Jing Yu Hong Beiwen Zhang |  Evgenij Dremin Evgenia Dimova | |
| 2017 | Kento Momota | Jamie Hsu | Tony Gunawan Vinson Chiu | Annie Xu Kerry Xu |  Toby Ng Josephine Wu | |
| 2017 | Lu Chia-hung | Natsuki Nidaira | Marcus Ellis Chris Langridge | Rachel Honderich Kristen Tsai | Nyl Yakura Kristen Tsai | |
| 2018 | B.R. Sankeerth | Saya Yamamoto | Joshua Hurlburt-Yu Duncan Yao | Akane Araki Riko Imai | Joshua Hurlburt-Yu Josephine Wu | |
| 2018 | Koki Watanabe | Aya Ohori | Lu Chia-hung Lu Chia-pin | Rachel Honderich Kristen Tsai | Kohei Gondo Ayane Kurihara | |
| 2019 | Kodai Naraoka | Vũ Thị Trang | Chen Xin-yuan Lin Yu-chieh |  Setyana Mapasa Gronya Somerville | Joshua Hurlburt-Yu Josephine Wu |