Daniel Altmaier

Daniel Altmaier – full tennis power from the Lower Rhine

German tennis professional Daniel Altmaier was born on 12 September 1998 in Kempen on the Lower Rhine. His father Jurij was born in Ukraine, his mother Galina comes from Russia. That is why, alongside his native German, Altmaier also speaks fluent Russian. In addition to these two languages, the 1.88-metre right-hander speaks English and Spanish quite fluently, the latter above all because he trains in Argentina.

Daniel Altmaier feels most at home on hard courts, even though he has won the majority of his tournaments so far on clay. Nevertheless, the professional names the grass-court classic at Wimbledon as his favourite tournament. He is one of the few players on the ATP Tour still playing a one-handed backhand, and probably not least for that reason he names Roger Federer and Stanislas Wawrinka as the tennis idols of his youth.

Away from tennis, Altmaier is a football enthusiast and a fan of both Real Madrid and Hertha BSC Berlin. To switch off from the rigours of the ATP Tour, Daniel Altmaier likes to relax while fishing, preferably together with his father Jurij at a quiet spot in the Netherlands.

The first steps on a tennis court

Encouraged by his parents, Daniel Altmaier began playing tennis at the tender age of five at TuS St. Hubert in his home town of Kempen. It became clear early on that he had exceptional talent and the necessary ambition. After initially going to tennis training twice a week like most children, he was soon on court five to six times a week. And that appetite for training was to pay off quickly when he won the German under-10 championship in 2008.

On the ITF Juniors Tour, however, Daniel Altmaier played only a handful of tournaments and won his only title in 2016 at the Allianz Kundler German Juniors in Berlin, where Rainer Schüttler and Gaël Monfils had also triumphed. In the same year the then 17-year-old achieved his greatest junior success at one of the four Grand Slams by reaching the quarter-finals at Wimbledon. Two years earlier Altmaier had already made his debut in the German tennis Bundesliga for Gladbacher HTC.

Professional debut and milestones in Daniel Altmaier's career

In 2016 Daniel Altmaier first made a name for himself on the ITF Future Tour. With his attractive, dynamic attacking style and his one-handed backhand he won the crowds over in no time and reliably created an atmosphere in his matches from early on. In the 2016 season he added two more Future titles to his first and finished the season inside the ATP top 500 for the first time.

In 2017 Daniel Altmaier made his ATP Challenger debut in Bangkok, where he made the tennis world sit up with an impressive run of six match wins in a row – qualifying included. Only in the semi-finals did the run end for the young man from the Lower Rhine. In the same season Altmaier made his ATP tournament debut after coming through qualifying, but lost in the first round of the Geneva Open to US veteran Sam Querrey.

His first win at ATP level was not long in coming, though: shortly afterwards – having slipped into the draw as a lucky loser – he beat Victor Estrella of the Dominican Republic at the Antalya Open.

Breakthrough and Grand Slam debut

Daniel Altmaier's definitive breakthrough as a professional came in 2020. After various shoulder and hip injuries had derailed him in the two previous seasons, he came through qualifying to reach the main draw of a Grand Slam for the first time. And what a debut it was! At the 2020 French Open, Altmaier's run only ended in the fourth round. A round earlier he had even knocked out a top 10 player for the first time in Matteo Berrettini.

From then on, Daniel Altmaier's career knew only one direction: upwards. In 2021 he won a match at Masters 1000 level for the first time, beating American Sam Querrey in Indian Wells. In July of the same year he reached his first ATP semi-final in Kitzbühel. Thanks to consistently good performances, Altmaier collected points steadily that season and ended the year at number 84, inside the world's top 100 men for the first time. Daniel Altmaier kept that good form the following season too, when he made his debut at the three remaining Grand Slams in Melbourne, Wimbledon and New York.

2023 then became the best year of his career to that point: at the Masters 1000 tournament in Madrid, Daniel Altmaier reached his first Masters quarter-final with a win over Jaume Munar. In April he won his seventh ATP Challenger title at the Sarasota Open. At the French Open the right-hander confirmed his good form and beat Italian top player Jannik Sinner in the fifth-longest match in Roland Garros history, lasting five hours and 26 minutes. At the end of the year Altmaier stood inside the world's top 60 for the first time.

Daniel Altmaier today: career-high ranking and a semi-final in Halle

After a mixed 2024 season, Daniel Altmaier rediscovered his old strength in 2025. With quarter-final runs in Rotterdam, Marseille and Metz among others, he climbed back towards the top 50 – and at the 2025 French Open he equalled his Grand Slam best from 2020 by reaching the fourth round. Only the strong American Frances Tiafoe stopped him in Paris. On 5 January 2026 Altmaier was rewarded with number 44 – his best ATP world ranking to date.

His personal highlight of the 2026 season came on grass: at the Terra Wortmann Open in Halle/Westphalia, Daniel Altmaier beat former world number one Daniil Medvedev 6-4, 6-7, 6-4 in the quarter-finals and reached the semi-finals of an ATP 500 tournament for the first time – his first ATP semi-final since Kitzbühel in 2021. A round later, Frances Tiafoe proved too strong. In the doubles, Altmaier also reached the final in Halle alongside young Brazilian João Fonseca. On tour he is now supported by former professional Dustin Brown, who joined his coaching team for the 2026 grass-court season.

Daniel Altmaier's equipment: racket, shoes & outfit at Tennis-Point

Daniel Altmaier plays with a Yonex EZONE 98, wears tennis shoes from Yonex from the Power Cushion Eclipsion line and completes his look with tennis clothing from Yonex. The Japanese tennis specialist therefore kits out the Lower Rhine native from head to toe.

For his strings, Altmaier relies according to tour stringing data on a hybrid setup from Luxilon, while Yonex overgrips ensure a firm hold.

The German tennis stars and their equipment at Tennis-Point

Daniel Altmaier is just one of many DTB stars whose equipment you will find with us. Whether Alexander Zverev, Jan-Lennard Struff, Dominik Koepfer, the doubles pairing Kevin Krawietz & Tim Pütz, Laura Siegemund, Tatjana Maria, Eva Lys or Jule Niemeier: for every German professional we stock the rackets, shoes and outfits they compete with on tour. Take your time browsing, compare your favourites' setups – and bring home the equipment of your German tennis stars. You will find an overview of all the player pages on our pros page.

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