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

EGTB: win in 2 half-moves

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