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

EGTB: draw

# move score
1 Kb5 draw
2 Kb6 draw
3 Kb7 draw
4 Ka5 loss in 2 half-moves
5 Ka7 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Kd3 loss in 2 half-moves
8 Ke3 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Kf3 loss in 2 half-moves
11 Kd1 loss in 1 half-moves
12 Ke1 loss in 1 half-moves
13 Kf1 loss in 1 half-moves