 Hui at the 2023 US Open | |
| Born | 29 January 2005 San Diego, California |
|---|---|
| Singles | |
| Highest ranking | No. 938 (10 October 2022) |
| Grand Slam singles results | |
| US Open | Q1 (2023) |
| US Open Junior | W (2023) |
| Doubles | |
| Highest ranking | No. 597 (17 July 2023) |
| Grand Slam doubles results | |
| US Open Junior | QF (2022) |
| Last updated on: 23 August 2023. | |
Katherine Hui (born 29 January 2005) is an American tennis player. She became the girls' singles champion at the 2023 US Open. [1] [2]
From San Diego, California, Hui graduated from Santa Fe Christian High School in 2023 and committed to Stanford University. [3] Her parents, Yimei and Yan, were born in China before moving to the United States. [4]
Hui qualified for the prestigious junior tournament Les Petits As, in Tarbes in January 2019. [5] At the tournament she lost to eventual champion Linda Fruhvirtova in the quarter-final. [6] Hui and her partner, Kayla Cross from Canada, were the runner-up in doubles.
In 2022, at the Billie Jean King Girls’ 16s and 18s National Championships, Hui reached the semi-finals. [7] In 2023, at the Billie Jean King Girls’ 16s and 18s National Championships, Hui reached the final but was defeated in three sets by Clervie Ngounoue. [8]
Awarded a wildcard into the Girls' singles at the 2023 US Open, Hui won the tournament by defeating Tereza Valentova in straight sets. Hui did not lose a set throughout the tournament. [9]
Awarded a wildcard into the qualifying competition for the 2023 US Open women's singles, Hui was defeated in the first round by Eugenie Bouchard. [10]
She received a wildcard for the 2024 San Diego Open for her WTA main draw debut [11] where she lost to seventh seed Donna Vekic.
| Outcome | Year | Championship | Surface | Opponent | Score |
|---|---|---|---|---|---|
| Winner | 2023 | US Open | Hard |  Tereza Valentová | 6–4, 6–4 |
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