Albion's stuttering start to the season continued at the DW Stadium as they were held to a disappointing 1-1 draw.
The Baggies were hoping to improve on their 2-2 draw at Huddersfield only a few days ago but were once again uninspiring on the road.
Wigan took the lead when Josh Magennis bullied Semi Ajayi to fire home past David Button as Albion again conceded early on.
Karlon Grant took advantage of an individual mistake to score a fine individual goal as Albion leveled the scores before half time.
But, just like in games against Cardiff and Blackburn, the Baggies lacked a focal point up front and looked short of creativity up front and had to settle for their fifth draw of the season.