Hsu Yu-hsiou
Hsu Yu-hsiou is a Taiwanese tennis player.
Hsu has a career high ATP singles ranking of 1027 achieved on 19 June 2017. He also has a career high ATP doubles ranking of 484 achieved on 23 April 2018.
On the junior tour, Hsu has a career high ranking of no.5 achieved on 12 June 2017. In 2017, Hsu won the 2017 Australian Open boys' doubles championships title alongside Zhao Lingxi. He then won the 2017 Wimbledon boys' doubles championships title with Axel Geller and the 2017 US Open boys' doubles championships title with Wu Yibing.
In 2018, we won his first doubles title on the ITF Men's Circuit. In the same year, he gave his debut for the Chinese Taipei Davis Cup team.Challengers and Futures finals
Doubles: 1 (1 title)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | | Australia F3, Mornington | Futures | Clay |  Matthew Romios | Tom Evans
Max Purcell | 6–3, 6–3 |
Doubles: 3 (3 titles)
