The second Paraguayan column, which was led by Colonel Francisco Isidoro Resquín and included four thousand men, penetrated a region south of Mato Grosso, and sent a detachment to attack the military frontier of Dourados.
Den anden paraguayanske kolonne, som var ledet af oberst Francisco Isidoro Resquín og inkluderede fire tusind mand, gik igennem en region syd for Mato Grosso og sendte en afdeling for at angribe den militære grænse ved Dourados.