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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kcc5 win in 3 half-moves
5 Rb4 win in 3 half-moves
6 Rb7 win in 3 half-moves
7 Kc4 win in 7 half-moves
8 Kdc5 win in 7 half-moves
9 Kdd6 win in 7 half-moves
10 Ke5 win in 7 half-moves
11 Ke6 win in 7 half-moves
12 Rb8 win in 7 half-moves
13 Kcd6 draw
14 Kd7 draw
15 Ra6 draw
16 Rb5 draw
17 Kd4 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves