Gensheimer started playing handball aged 5 at TV 1892 Friedrichsfeld. In 2003 he joined the youth ranks of the Bundesliga team
SG Kronau-Östringen (later called Rhein-Necker Löwen). In his first season he won the Baden and South German youth championship and made his senior debut. In the 2004 season he was promoted from the 2nd Bundesliga liga, but he was relegated in the following season. In 2006, 2007 and 2010 he reached the finals of the
DHB-Pokal, but would lose all of them to either
HSV Hambourg or
THW Kiel. In 2013 he won his first title, when Rhein-Neckar Löwen won the
2012-13 EHF European Cup. In 2016 he was part of the team that won Löwen's first ever
German Championship, as they beat SG Flensburg by a one point. The following summer he joined French top team
PSG Handball. In his first season he won the domestic double. In the
2016-17 EHF Champions League they reached the final, but they suffered a surprising defeat to
RK Vardar. The
following season they went out in the semifinal to league rivals
HBC Nantes. On 30 January 2019 he announced that he would return to
Rhein-Neckar Löwen the following summer, on a contract until 2022. In December 2021 he extended his contract until 2024. His first seasons back with the Löwen was rather mixed, but in 2023 they won the
DHB-Pokal beating
SC Magdeburg after extra time and penalties. Before the 2023-24 Bundesliga season Gensheimer underwent surgery due to a recurrring knee injury. He was expected to return for the second half of season, but due to setbacks during rehabilition, he announced his retirement on December 8th, 2023. On 30 May 2024 he played his last home game, although he only played for a few minutes to say goodbye to the fans.
National team He made his international debut on 25 November 2005 against
Slovenia. In 2021 he announced the end of his time in
the national team, where he was the captain from 2014. He has the sescond most goals on the
German National team with 204, only behind
Christian Schwarzer with 966. He played at the
2010 and
2012 European Championships, and the
2011,
2015,
2017, and
2019 World Championships. He missed the
2016 European Men's Handball Championship, where Germany won gold medals, due to injury. At the
2016 Summer Olympics he won bronze medals with Germany, for which he was awarded the
Silbernes Lorbeerblatt.
Seasonal statistics ==Team awards==