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

EGTB: win in 2 half-moves

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