The First Son under the mental issues he had against the Barsen'thor? Wyyrlok rips him a new one in Force and all-out via Memory Walk.
I don't see Syo winning sabers either, he's only got praise as an accomplished swordsman so far, which isn't much of an accolade in comparison to somebody who holds their own against some of the most elite swordsmen in the galaxy like Krayt.