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

EGTB: win in 2 half-moves

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