Jan-Lennard Struff is a German professional tennis player born on 25 April 1990.
Standing at 1.93m, Struff is one of the tall players around and he has reached one ATP singles final and won 3 ATP doubles titles.
In 2014, Struff advanced to his first semifinals on the ATP Tour in Marseille, Munich and Metz.
As a result of his performances, he entered the top 50 in the ATP rankings for the first time in his career and finished the year in the top 100 also for the first time at World No. 59.
The following year, he made his Davis Cup debut for Germany against France in the first round.
However, he lost the first rubber to Gilles Simon with 8–10 in the fifth set, and his team lost the tie with 2–3.
Two years later, Struff reached the semifinals of both Winston-Salem and St. Petersburg.
In 2018, Struff got to the semifinals in the Australian Open men’s doubles in partnership with Ben McLachlan, including a win over the No. 1 seeds Łukasz Kubot and Marcelo Melo.
Struff had his best ATP Masters 1000 showing at the 2020 Western & Southern Open in New York, where he reached the quarterfinals and was defeated by World No. 1 and eventual champion Novak Djokovic.
As a result, he entered the top 30 for the first time in his career and reached a career-high in singles of World No. 29 on 31 August 2020.
