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 Ka7 win in 3 half-moves
3 Ka8 win in 3 half-moves
4 Kbc7 win in 3 half-moves
5 Kc8 win in 3 half-moves
6 Kd6 win in 3 half-moves
7 Ra6 win in 3 half-moves
8 Kbb7 draw
9 Kb5 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Kcb7 loss in 2 half-moves
12 Kcc7 loss in 2 half-moves
13 Kd5 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 Rb3 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb7 loss in 2 half-moves