Leonardo Mayer won one Challenger singles title in 2008 and lost in three other finals.
12 Facts About Leonardo Mayer
2.
At the 2009 US Open, Leonardo Mayer reached the second round, losing to Radek Stepanek in straight sets.
3.
Leonardo Mayer reached the third round of the French Open for the third time and the US Open in 2012, losing to Nicolas Almagro in straight sets at Roland Garros and Juan Martin del Potro in New York.
4.
In February 2014, Leonardo Mayer reached his first career ATP final at Vina del Mar, defeating second seed Tommy Robredo en route.
5.
Leonardo Mayer won his two singles rubbers against Israel in the Davis Cup Play-offs, helping Argentina to secure a place in the 2015 World Group.
6.
Leonardo Mayer lost in the first round of the 2016 Australian Open and the 2016 French Open.
7.
Leonardo Mayer had minor success in the 2016 Indian Wells Masters beating Sam Groth and 20th seed Viktor Troicki before losing to Marin Cilic in the third round.
8.
Leonardo Mayer lost in the second round of the 2017 Argentina Open and the 2017 US Men's Clay Court Championships.
9.
Leonardo Mayer reached the semifinals of a Grand Slam in doubles for the first time in his career at the 2019 Australian Open partnering Joao Sousa.
10.
Leonardo Mayer only played eight matches in 2020 and lost all eight.
11.
Leonardo Mayer played his last ATP tournament at the 2021 Chile Open where he lost in the first round to Pedro Sousa in straight sets.
12.
On October 7,2021, Leonardo Mayer announced his retirement from tennis.