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

EGTB: win in 8 half-moves

# move score
1 Kb6 win in 7 half-moves
2 Kcc6 draw
3 Kcc8 draw
4 Kdc6 draw
5 Kdc8 draw
6 Kdd6 draw
7 Kdd8 draw
8 Ra7 draw
9 Rb4 draw
10 Rb5 draw
11 Rb6 draw
12 Rb8 draw
13 Kb8 loss in 2 half-moves
14 Kcd6 loss in 2 half-moves
15 Kcd8 loss in 2 half-moves
16 Ke6 loss in 1 half-moves
17 Ke7 loss in 1 half-moves
18 Ke8 loss in 1 half-moves
19 Rb1 loss in 1 half-moves
20 Rb2 loss in 1 half-moves
21 Rb3 loss in 1 half-moves