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 Kd7 win in 3 half-moves
3 Kdd5 win in 3 half-moves
4 Ke6 win in 3 half-moves
5 Kcd5 win in 9 half-moves
6 Kc7 win in 11 half-moves
7 Kdc6 draw
8 Ke5 draw
9 Ra5 draw
10 Rb6 draw
11 Kb4 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kcc6 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb7 loss in 2 half-moves