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

EGTB: draw

# move score
1 Kb6 draw
2 Kb7 draw
3 Kb8 draw
4 Kcd7 draw
5 Kd6 draw
6 Kdd7 draw
7 Kc6 loss in 1 half-moves
8 Ke7 loss in 1 half-moves
9 Ke8 loss in 1 half-moves
10 Ra8 loss in 1 half-moves
11 Rb8 loss in 1 half-moves