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