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

EGTB: draw

# move score
1 Ka2 draw
2 Ka4 draw
3 Kb2 draw
4 Kb3 loss in 2 half-moves
5 Kb4 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Kd8 loss in 2 half-moves
8 Ke7 loss in 2 half-moves
9 Kf7 loss in 1 half-moves
10 Kf8 loss in 1 half-moves