They opened their ranks and let the enemy pass through, and then, when these had got clear, and were already marching in looser array, the Spartans followed on the run and smote them on the flanks.
Edition :
Plutarch Lives V: Agesilaus and Pompey, Pelopidas and Marcellus, Ed. Jeffrey Henderson, trans. Bernadotte Perrin (The Loeb Classical Library 87), Harvard University Press: Cambridge/MA - London 1961 (first ed. 1917).
Remark :
long-term consequence: Agesilaus II. claims victory at a later time (Plur. Ages. 19.2-3)