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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kb8 win in 1 half-moves
3 Kd7 draw
4 Kd8 draw
5 Ra3 draw
6 Ra4 draw
7 Ra5 draw
8 Ra6 draw
9 Rb7 draw
10 Kc6 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Kb7 loss in 1 half-moves