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

EGTB: draw

# move score
1 Kb4 draw
2 Kb6 draw
3 Kc6 draw
4 Kc7 draw
5 Kc8 draw
6 Kd4 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Kb5 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves