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

EGTB: draw

# move score
1 Ka4 draw
2 Ka5 draw
3 Ka6 draw
4 Kb7 draw
5 Kbc5 draw
6 Kc7 draw
7 Kd7 draw
8 Rb7 draw
9 Rb8 draw
10 Kb4 loss in 1 half-moves
11 Kc4 loss in 1 half-moves
12 Kcc5 loss in 1 half-moves
13 Kd5 loss in 1 half-moves
14 Kd6 loss in 1 half-moves
15 Ra6 loss in 1 half-moves