← Oberbank Challenger Open 2026 · Round 1Vincenzi, Marco vs Koellner, Ruben Gideon, Round 1, Oberbank Challenger Open 2026Vincenzi, Marco2017 · ITA0–1IMKoellner, Ruben Gideon2531 · GER15 Aug, 13:15Board 1 of 20Board 2 →