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 Ka7 win in 3 half-moves
3 Ka8 win in 3 half-moves
4 Kb8 win in 3 half-moves
5 Kc8 win in 3 half-moves
6 Kd6 win in 3 half-moves
7 Ka6 win in 7 half-moves
8 Kbc7 draw
9 Ra6 draw
10 Kb5 loss in 2 half-moves
11 Kc5 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 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves