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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rb4 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Kb4 win in 5 half-moves
5 Kb6 win in 5 half-moves
6 Kcc4 win in 5 half-moves
7 Kcc6 win in 5 half-moves
8 Kdc4 win in 5 half-moves
9 Kdc6 win in 5 half-moves
10 Kdd4 win in 5 half-moves
11 Kdd6 win in 5 half-moves
12 Ke4 win in 5 half-moves
13 Ke5 win in 5 half-moves
14 Ke6 win in 5 half-moves
15 Rb3 win in 5 half-moves
16 Rb8 win in 5 half-moves
17 Kcd4 draw
18 Kcd6 draw
19 Ra5 draw
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves