Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 K5b6 draw
2 K6b6 draw
3 Ka7 draw
4 Kb7 draw
5 Ka4 loss in 6 half-moves
6 K5b5 loss in 2 half-moves
7 K6b5 loss in 2 half-moves
8 Kb4 loss in 2 half-moves