History of Lulu Sun in Timeline

By Popular Timelines Editorial Team · Updated: October 19, 2025

Lulu Sun is a professional tennis player from New Zealand. As of September 2024, she holds a career-high WTA singles ranking of No. 39. In February 2025, she achieved her best doubles ranking of No. 190.

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Full Timeline Career & Achievements

1957: Ruia Morrison's Wimbledon Achievement

In 1957, Dame Ruia Morrison reached the fourth round at the All England Club.

1959: Ruia Morrison's Wimbledon Achievement

In 1959, Dame Ruia Morrison reached the fourth round at the All England Club.

1989: Belinda Cordwell's Australian Open Quarterfinal

In 1989, Belinda Cordwell reached the quarterfinal at the Australian Open.

1998: Birth of Phenomena Radovcic (Sun)

In 1998, Phenomena Radovcic, Lulu Sun's older sister, was born. She later played in professional tournaments until 2016.

April 2001: Lulu Sun's Birth

On April 2001, Lucija Radovcic, who would later be known as Lulu Sun, was born. She is a New Zealand professional tennis player.

2016: Sister's Retirement from Professional Tournaments

In 2016, Lulu Sun's older sister, Phenomena Radovcic, retired from playing in professional tournaments.

2018: Junior Career Highlights

In 2018, Lulu Sun represented Switzerland as a junior, finishing runner-up with Violet Apisah in the Australian Open girls' doubles. She also played under the New Zealand flag at junior Wimbledon, losing in the second round in singles and the first round in doubles.

2020: College Tennis Season Begins

In 2020, Lulu Sun began playing college tennis for the Texas Longhorns.

2021: NCAA Tournament Win

In 2021, Lulu Sun won the championship-clinching match for the Texas Longhorns to beat Pepperdine 4–3 in the final of the NCAA tournament. She also partnered with Kylie Collins, reaching the final of the NCAA doubles tournament.

May 2022: First ITF Title and WTA Tour Debut

In May 2022, Lulu Sun won her first big ITF title at the Saint-Gaudens Open in doubles, partnering with Fernanda Contreras. Shortly after, she made her WTA Tour main-draw debut at the Morocco Open, but lost in the first round.

2022: Graduation from the University of Texas at Austin

In 2022, Lulu Sun graduated from the University of Texas at Austin with a bachelor's degree in international relations and global studies, completing her degree in just 3 years.

June 2024: Reached Top 125 Ranking

On June 17, 2024, Lulu Sun reached the top 125 in tennis rankings.

August 2024: Monterrey Open Final and Top 40 Ranking

In August 2024, Lulu Sun reached her first WTA Tour-level final at the Monterrey Open and reached world No. 41, followed by the top 40 two weeks later.

September 2024: Achieved Career-High Singles Ranking

In September 2024, Lulu Sun achieved her career-high singles ranking of No. 39 by the WTA.

2024: Wimbledon Debut and Quarterfinal Run

In 2024, Lulu Sun debuted at the Wimbledon Championships, upsetting Zheng Qinwen in the first round. She reached the quarterfinals, becoming the first New Zealand woman to reach that stage at Wimbledon in the Open Era. She also represented New Zealand at the 2024 Olympics.

2024: US Open Retirement and End of Season

In 2024, Lulu Sun retired from the US Open due to a hip injury and later announced the end of her 2024 season after struggling with form and injury.

2024: Return to Winning at the US Open After Wimbledon

In 2024, at the US Open, Sun defeated Camila Osorio to record her first win at a major since the 2024 Wimbledon Championships before losing to Elise Mertens in the second round.

February 2025: Reached Best Doubles Ranking

In February 2025, Lulu Sun reached her best doubles ranking of No. 190.

2025: First Win of the Season

In 2025, Lulu Sun secured her first win of the season at the Abu Dhabi Open, overcoming Caroline Garcia, after suffering opening round defeats in her first four tournaments.