Maximilian Marterer

1.1. Early Career and ATP Tour Debut (2015-2017)

Marterer made his professional debut in 2015. In January, he secured his first ITF Men's Circuit title in Stuttgart, Germany, by defeating Uladzimir Ignatik in the final. Later that year, he received a wildcard to make his ATP main draw debut at the MercedesCup in Stuttgart.

In 2016, Marterer participated in the qualifying rounds of the 2016 Australian Open, marking his first appearance in a Grand Slam qualifying draw, though he lost in the first round. In September, he claimed his first ATP Challenger Tour singles title at the Morocco Tennis Tour in Meknes, once again defeating Uladzimir Ignatik. He followed this with another Challenger title in Kenitra, Morocco, beating Mohamed Safwat.

The year 2017 saw Marterer's continued rise. He qualified for the main draw of the 2017 US Open, his first appearance in a Grand Slam main draw, where he was defeated by Donald Young in the first round. On October 16, 2017, he entered the world's top 100 for the first time, reaching a ranking of world No. 100. He further cemented his presence on the Challenger circuit by winning three more singles titles: the Banja Luka Challenger in Bosnia and Herzegovina, the Monterrey Challenger in Mexico, and the Bauer Watertechnology Cup in Eckental, Germany.

1.2. Major Breakthrough and Top 50 Entry (2018)

The year 2018 marked a significant breakthrough for Marterer. At the 2018 Australian Open, he secured his first ATP main draw match victory, ending a streak of 14 consecutive first-round losses. He defeated fellow German Cedrik-Marcel Stebe in straight sets. In the second round, he upset former top-10 player Fernando Verdasco in a five-set thriller before losing to Tennys Sandgren in the third round.

In February, Marterer reached his first ATP quarterfinal at the Sofia Open, where he overcame João Sousa before falling to eventual champion Mirza Bašić in three sets. In May, he achieved his first ATP semifinal at the BMW Open in Munich, defeating Diego Schwartzman in the second round before being stopped by fellow German Philipp Kohlschreiber.

His impressive run continued at the 2018 French Open. He defeated American Ryan Harrison in the first round and then upset seeded teenager Denis Shapovalov in four sets, reaching the third round of a Grand Slam for the second consecutive time. He extended his run further by defeating Jürgen Zopp in straight sets to reach the fourth round. There, he faced world No. 1 Rafael Nadal but ultimately lost in straight sets.

At the 2018 Wimbledon Championships, Marterer lost in the first round to Damir Džumhur. In August, he reached the quarterfinals of the Austrian Open before losing to Denis Istomin. He finished his Grand Slam season with a first-round loss to Kei Nishikori at the 2018 US Open. On August 13, 2018, he reached his career-high singles ranking of world No. 45. He also won an ATP Challenger title in Cherbourg, France in February.

1.3. Grand Slam Returns and Re-establishment (2019-2022)

After his breakthrough year, Marterer faced challenges in maintaining his ranking. In 2019, he reached the second round of the 2019 Australian Open and played in the first round of the 2019 French Open. He did not participate in Wimbledon that year.

In November 2020, he won the Slovak Open Challenger in Bratislava, Slovakia, defeating Tomáš Macháč in the final.

By 2021, Marterer's ranking had fallen outside the top 200. Ranked World No. 215, he qualified for the 2021 French Open but lost to Filip Krajinović in the first round. Ranked World No. 209, he also qualified for the main draw of the 2021 US Open after a two-year absence from the tournament, but lost to Steve Johnson in a tight four-set match. His year-end ranking was No. 229.

In 2022, Marterer qualified for two Grand Slams, the 2022 Australian Open and the 2022 Wimbledon Championships. At the Australian Open, he lost to Taylor Fritz in the first round. At Wimbledon, after a three-year absence, he won his first-round match against Aljaž Bedene, marking his first Grand Slam main draw win since 2019, before losing to 23rd seed Frances Tiafoe in the second round. He also qualified for the 2022 US Open main draw, where he lost to Marin Čilić in the first round. He finished the year ranked No. 159, marking a return to the top 150.

1.4. Return to Top 100 and Recent Activities (2023-Present)

The year 2023 saw Marterer's significant return to prominence. At the Indian Wells Open in March, he qualified for an ATP Masters 1000 event for the first time in over three years, though he lost to fellow qualifier Alejandro Tabilo in the first round.

At the 2023 Wimbledon Championships in July, Marterer again qualified for the main draw. He defeated Borna Gojo in the first round and then lucky loser Michael Mmoh in the second round to reach the third round, his best result at Wimbledon and his third time reaching the third round or better at a Major. He subsequently lost to Alexander Bublik. In October, he reached the semifinals of the 2023 European Open in Antwerp as a qualifier, defeating notable players such as seventh seed Richard Gasquet and Hugo Gaston. He became only the third qualifier in the tournament's history to reach the semifinals, ultimately losing to Alexander Bublik.

Following a final appearance at the 2023 Wolffkran Open Challenger in Ismaning, Germany, he re-entered the top 100 on November 6, 2023. He then won his ninth ATP Challenger title at the Good to Great Challenger in Danderyd, Sweden, defeating Brandon Nakashima in a three-set final. He concluded 2023 ranked No. 91.

In 2024, Marterer was selected as the No. 2 ATP player for the German team at the 2024 United Cup. Although he only played in the mixed doubles during the group stage, where his team lost to France, Germany went on to win the inaugural United Cup. At the 2024 Australian Open, he lost to Nuno Borges in the first round. He entered the 2024 Qatar ExxonMobil Open as a lucky loser and qualified for the main draw of the 2024 Dubai Tennis Championships, but lost in the first round of both.

At the 2024 French Open, he recorded his first win at the tournament since 2018, defeating Jordan Thompson, before falling to Zizou Bergs in the second round. He lost to Roberto Bautista Agut in the first round of the 2024 Wimbledon Championships. Marterer made his Olympic debut at the 2024 Paris Games, representing Germany, and secured his first Olympic win against Laslo Đere. In August, he entered the main draw of the 2024 US Open as a lucky loser, putting up a strong fight against fourth seed Alexander Zverev before losing in four sets. He also reached the semifinals of the 2024 Davis Cup Finals with the German team and lost the final of the Bonn Open to Hugo Dellien.

2.1. Performance Timelines

The performance timelines below detail Maximilian Marterer's year-by-year results in major tournaments and his overall career statistics. The records indicate:

• W: Winner of the tournament.
• F: Finalist of the tournament.
• SF: Semifinalist of the tournament.
• QF: Quarterfinalist of the tournament.
• #R: The round in which the player was eliminated (e.g., 4R for fourth round, 3R for third round, etc.).
• RR: Round-robin stage.
• Q#: The specific qualifying round reached before failing to qualify for the main draw.
• DNQ: Did not qualify.
• A: Absent from the tournament / did not participate.
• NH: Tournament not held.
• SR: Strike rate (events won / competed).
• W-L: Win-loss record.

The following table combines his singles performance in Grand Slam tournaments, national representation events (Summer Olympics and Davis Cup), and ATP Masters 1000 tournaments, along with his overall win-loss record and year-end rankings.

2.2. ATP Challenger and ITF Futures Finals

This section lists Maximilian Marterer's performances in the finals of ATP Challenger Tour and ITF Futures Tournaments, categorized by singles and doubles, along with the results and his opponents.

2.3. Junior Grand Slam Finals

Maximilian Marterer reached one Grand Slam final during his junior career, in doubles.