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