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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kb8 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Ra3 draw
7 Ra4 draw
8 Ra5 draw
9 Ra6 draw
10 Ra7 draw
11 Rb8 draw
12 Ra1 loss in 2 half-moves
13 Ra2 loss in 2 half-moves