SHVVMattis Hartmann plays beach volleyball and competes in the federation “Schleswig-Holsteinischer Volleyball-Verband”.
Currently listed in SHVV Erwachsene Männer 2026 (rank 326, 48 points). 18 tournament results are documented since 2024, most of them in 2025 (11). Mattis has achieved 5 podium finishes, including 1 gold, 3 silvers, 1 bronze. Most recently documented: place 19 at SHVV | Jugendrangliste männlich (Apr 13, 2026). The best tournament result is place 1 at Sonstige (May 2, 2025). Most frequent partners in the results: Edvard Kobzev (9×), Enno Gramenz (2×), Bjarne Dirszowski.