Osmar Yaser is among the Age of Empires II players representing Argentina. Over time, Osmar Yaser has accumulated 26 matches in Age of Empires II. The majority of Osmar Yaser's matches are in the unranked mode.

Ranked matches are not part of Osmar Yaser's Age of Empires II experience so far. Osmar Yaser has a clear affinity for Sicilians, choosing it in 61.5% of their games.