2016: Best season: French Open third round, Maiden ATP singles final, top 100 He was a lucky loser at the
French Open and defeated
Daniel Muñoz de la Nava in the first round of the main draw and 29th seed
Lucas Pouille in the second, before losing to 8th-seed
Milos Raonic in the third round. In July 2016, Martin reached first ATP final, in
Umag, defeated
Martin Kližan,
João Sousa,
Carlos Berlocq and
Sergiy Stakhovsky en route. In the final he lost to Italian No. 1
Fabio Fognini. Later in the year, Martin participated in the
2016 Summer Olympics. After comfortably defeating
Denis Kudla in the first round, Martin got a walkover into the 3rd round when opponent
Philipp Kohlschreiber withdrew with an injury. However, Martin was then beaten by the 4th-seeded
Kei Nishikori, 2–6, 2–6. He achieved a career-high ATP singles ranking of world No. 98 in July 2016 following his runs to the third round of the
French Open and the final in
Umag.
2020: Career-high singles ranking He reached a career-high ranking of No. 93 on 10 February 2020 after a semifinal showing at the
2020 Córdoba Open defeating
Corentin Moutet in the quarterfinals before losing to eventual champion
Cristian Garín. He entered directly into the main draw of the
US Open but lost in the first round to 21st seed
Alex de Minaur.
2021: Australian Open debut, ATP semifinal & loss to World No. 1 He made his main draw debut at the
2021 Australian Open where he lost to
Thiago Monteiro. At the
2021 Belgrade Open after qualifying for the main draw, he defeated
Christopher O'Connell, third seed
Nikoloz Basilashvili, fifth seed
Dušan Lajović but lost to top seed and World No. 1 and eventual champion
Novak Djokovic in the semifinals.
2022–24: Maiden doubles final, suspension, comeback Martin reached his maiden doubles final at the
2022 Córdoba Open partnering
Sam Weissborn. In 2023, he was banned from professional tennis for 14 months till 5 June 2024 by the
International Tennis Integrity Agency after testing positive for
Ostarine. Martin explained that he had mistakenly drunk from a
floorball teammate's water bottle; the teammate admitted to adding the prohibited drug to his own bottle. == Grand Slam performance timelines ==