By Rhett Manuel Sports Editor EUNICE — Eunice High opened its three-game, regional round playoff series with a 12-2 win over West Feliciana on Thursday, powered by a big inning and timely hitting from Tyler Coward. Coward drove in four runs, including a three-run home run in the fourth inning that broke the game open. His blast to center field highlighted a six-run frame as Eunice turned a 1-…