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