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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Kcb6 win in 1 half-moves
3 Kd8 win in 1 half-moves
4 Rb6 draw
5 Ka4 loss in 2 half-moves
6 Ka5 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Kbb6 loss in 1 half-moves
15 Kbc6 loss in 1 half-moves
16 Kcc6 loss in 1 half-moves
17 Kd6 loss in 1 half-moves
18 Kd7 loss in 1 half-moves