She also made the doubles quarter-finals at Roland Garros and the US Open. Xu became the youngest player to enter Junior Wimbledon in 2021 and reached the round of 16 at the All England club in 20.
She reached a career-high world junior ranking of 13 in November last year following an impressive season on the ITF (International Tennis Federation) Tour, during which she won singles titles in Beijing and Repentigny, as well as four doubles trophies. She then became a full-time student at the LTA (Lawn Tennis Association) National Academy in Loughborough for three years, and is currently based at the National Tennis Centre in Roehampton where she is coached by Welshman Mathew James, a former coach to Raducanu. Xu's talent was nurtured by coaches at Swansea Tennis and Squash Club and Swansea Tennis Centre.
