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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kc8 win in 3 half-moves
3 Ra6 win in 3 half-moves
4 Rb1 win in 3 half-moves
5 Rb2 win in 3 half-moves
6 Rb3 win in 3 half-moves
7 Ka7 win in 5 half-moves
8 Ka8 win in 5 half-moves
9 Kbb7 draw
10 Kbc7 draw
11 Kb5 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kcb7 loss in 2 half-moves
14 Kcc7 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb7 loss in 2 half-moves