2015-2017: ATP and top 100 debuts, Maiden Challenger title Marterer made his ATP main draw debut at the
2015 MercedesCup in Stuttgart where he was given a wildcard into the singles event. Marterer won his first
ATP Challenger Tour singles title at the
2016 Morocco Tennis Tour in Meknes. Marterer entered the world's top 100 for the first time, becoming world No. 100 on 16 October 2017.
2018-2020: First ATP semifinal, French Open fourth round and top 50 At the
Australian Open, Marterer won his first ATP main draw match after losing 14 first round matches in a row. He defeated compatriot
Cedrik-Marcel Stebe in straight sets. In the second round, he upset former top-10 player
Fernando Verdasco in a five-setter before losing to
Tennys Sandgren in the next round. At the
Sofia Open, he reached his first ATP quarterfinal, where he lost to eventual champion
Mirza Bašić in three sets. He reached his first ATP semifinal at the
BMW Open in Munich where he lost to sixth seed
Philipp Kohlschreiber. At the
French Open, he defeated American
Ryan Harrison in straight sets in the first round to set up a second round clash against seeded teenager
Denis Shapovalov. For both players it was their first appearance at the
French Open, but it was Marterer who triumphed in four sets to reach the third round for the second consecutive Grand Slam. His run extended to the fourth round with a straight sets win over
Jürgen Zopp. There, he lost to world No. 1
Rafael Nadal.
2021: Back to Grand Slams and top 200 Ranked outside the top 200 at No. 215, he qualified for the
2021 French Open but lost to
Filip Krajinović in the first round. Ranked World No. 209, he qualified for the main draw at the
2021 US Open after two years of absence but lost in the first round to
Steve Johnson in a tight four-set match.
2022: Back to top 150 He qualified for two Grand Slams, the
2022 Australian Open after two years of absence, and the
2022 Wimbledon Championships after three years of absence at the All England Club, where he won his first round match at this Major defeating
Aljaž Bedene before losing to 23rd seed
Frances Tiafoe. He also qualified for the last Major of the year at the
US Open.
2023: Wimbledon third round, second ATP semifinal, back to Masters and top 100 At the
2023 Indian Wells Open, he qualified after more than three years of absence at a Masters level and at this tournament, but lost in the first round to fellow qualifier
Alejandro Tabilo. He also qualified for the main draw of the
2023 Wimbledon Championships and won his first round match against
Borna Gojo. Next he defeated lucky loser
Michael Mmoh to reach the third round at this Major for the first time and only for the third time at this level. He reached the semifinals at the
2023 European Open in Antwerp as a qualifier, defeating seventh seed
Richard Gasquet,
Nuno Borges and
Hugo Gaston. He became the third qualifier in tournament history to reach the semifinals after Tsitsipas in 2017 and Brooksby in 2021 (both lost to Schwartzman in the semis). In October, he was selected as the No. 2 ATP player at the
2024 United Cup as part of the German team. Following a Challenger final in
Ismaning, Germany he returned to the top 100 on 6 November 2023.
2024-2025: Olympics debut and first win, out of top 500 Marterer recorded his first win at the
2024 French Open since 2018, defeating
Jordan Thompson. He made his debut at the
2024 Paris Olympics and recorded his first win over
Dušan Lajović. == Performance timelines ==