Full name is Leonardo Martin Mayer. Nickname is Leo.
Began playing tennis at age 9.
Father, Orlando; mother, Estela; brothers, Gabriel and Walter; sister, Veronica.
Favourite surface is clay and shot is forehand.
If he wasn't a tennis player, he would most likely be a goalkeeper on a football team.
Enjoys fishing when he's not on tour.
Wife, Milagros; oldest son, Valentino; twin sons, Pedro and Camilo.
(UPDATED 17 AUGUST 2020)
Finished 10 of last 11 seasons in Top 100 (2009-15, 2017-19), achieving career-high No. 21 on 22 June 2015. Rose from No. 138 to No. 49 on 31 July 2017 after winning Hamburg title. Peaked at No. 2 in junior rankings on 6 June 2005.
Winner of 2 titles in 3 finals at ATP 500 event in Hamburg. Earned biggest win of career over No. 7 Ferrer in 2014 final. Lost to No. 923 Molleker, a 16-year-old, before beating No. 101 F. Mayer for 2017 title as LL -- 1st ATP Tour final between players ranked outside Top 100 since 2013 Bogota.
Also reached clay-court finals at 2014 Vina del Mar, 2015 Nice and 2018 Hamburg. Saved 4 MPs vs. Robredo in 2014 Vina del Mar 2R and 1 MP vs. Kovalik in 2018 Hamburg SF.
Reached Grand Slam4R at 2014 Wimbledon and 2019 Roland Garros and ATP Masters 1000 R16 on 4 occasions. Advanced to 2019 Australian Open doubles SF w/J. Sousa. Won 2005 Roland Garros boys' doubles title w/Massa.
Posted 11-match Davis Cup win streak from 2013 to 2016, helping Argentina to 1st title in 2016. Played longest singles match in Davis Cup history, beating Souza 15-13 in 5th on 11th MP after 6h43 (ARG d. BRA 3-2 in 2015 1R).