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