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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb8 win in 3 half-moves
3 Kc8 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 Kcb6 win in 11 half-moves
6 Ka5 draw
7 Ka7 draw
8 Kab6 draw
9 Kb5 draw
10 Kc6 draw
11 Kd8 draw
12 Ra7 draw
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 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