A few days later, he was present for the defeat at the First Battle of Zürich when André Masséna withdrew the entire French force across the Limmat river. In September 1799, he was present at the Second Battle of Zürich when Masséna's Army of Helvetia and Army of the Danube crushed Alexander Rimsky-Korsakov's Russian force; he actively harried the fleeing Russians. He later fought at the Battle of Messkirch in 1800.