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 Kdc6 draw
3 Kdd4 draw
4 Kdd6 draw
5 Ra5 draw
6 Rb1 draw
7 Rb2 draw
8 Rb6 draw
9 Rb7 draw
10 Rb8 draw
11 Kb4 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kcd4 loss in 2 half-moves
14 Kcd6 loss in 2 half-moves
15 Kcc4 loss in 1 half-moves
16 Kcc6 loss in 1 half-moves
17 Kdc4 loss in 1 half-moves
18 Ke4 loss in 1 half-moves
19 Ke5 loss in 1 half-moves
20 Ke6 loss in 1 half-moves
21 Rb3 loss in 1 half-moves