Max Kvapil, known by his in-game alias SHOCK, is a professional esports athlete specializing in Counter-Strike. He first rose to prominence in 2020 after joining the SINNERS team. Shortly after signing his contract, SHOCK secured his first major victory at the Sazka eLEAGUE Fall 2020 tournament. His success continued in 2021, a standout year in his career, during which he claimed six trophies. These included gold medals at the Shadow League Season 1, ESEA Season 37: Premier Division - Europe, V4 Future Sports Festival - Budapest 2021: International Cup, Sazka eLEAGUE Fall 2021, and Mistrovství ČR 2021, along with a silver medal at the Vulkan Fight Series.
In 2022, SHOCK maintained his momentum, achieving second place at the Tipsport Cup Bratislava 2022 and the Polska Liga Esportowa Superpuchar 2022, while also clinching victory at the MČR 2022. As of 2024, SHOCK continues to represent SINNERS, playing as a rifler and demonstrating his skill and consistency on the competitive stage.