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