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

EGTB: win in 2 half-moves

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