54 by the Association of Tennis Professionals (ATP), which he first achieved on 29 May 2023, making him the third highest-ranked male Chinese player in history, behind Zhang Zhizhen and Shang Juncheng[1] He also has a career-high doubles ranking of world No.

1 in the ITF Junior Circuit ranking[5] after winning the boys' singles title at the 2017 US Open.

In 2017, Wu reached the semifinals in both boys' singles and doubles at the Australian Open, and won both the boys' singles and doubles champions (with Chinese Taipei's Hsu Yu-hsiou) at the US Open, thus became the first Chinese male to win a Grand Slam title.

In 2022, he won three Challenger titles in the United States, including back-to-back trophy runs in July in Rome, Georgia and Indianapolis, Indiana.

[8] His four career total Challenger titles made him the most decorated Chinese player in the circuit's history.

Wu started his season playing the first Adelaide International, where, in qualifying, he defeated Ugo Humbert but lost to Alexei Popyrin.

[19] Following a final showing in the Cleveland Challenger, Wu made his debut in the top 100, at world No.

8 Taylor Fritz in the semifinals, he became the first Chinese male ever to defeat a top 10 ranked player and to make an ATP Tour level final in the Open Era.

[26][27] He received a wildcard for the 2023 BNP Paribas Open where he defeated Jaume Munar for his first win at this tournament.

In Geneva, he reached his first quarterfinal on clay, after beating Marc-Andrea Hüsler and Marco Cecchinato.