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

EGTB: win in 4 half-moves

# move score
1 Kcb6 win in 3 half-moves
2 Kb5 win in 7 half-moves
3 Kab6 draw
4 Ra7 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Ka4 loss in 2 half-moves
9 Ka6 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb8 loss in 2 half-moves