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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb2 win in 3 half-moves
3 Kc2 win in 3 half-moves
4 Ka2 win in 5 half-moves
5 Ka3 win in 5 half-moves
6 Rb6 win in 5 half-moves
7 Rb7 win in 5 half-moves
8 Ka4 draw
9 Kbc3 draw
10 Ra4 draw
11 Kb5 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kcc3 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Rb5 loss in 2 half-moves