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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kc4 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Kcb6 win in 3 half-moves
5 Kd4 win in 3 half-moves
6 Kd6 win in 3 half-moves
7 Rb4 win in 3 half-moves
8 Rb6 win in 3 half-moves
9 Rb7 win in 3 half-moves
10 Ka7 win in 7 half-moves
11 Kab6 win in 7 half-moves
12 Kb7 win in 7 half-moves
13 Kd5 win in 7 half-moves
14 Ra5 win in 7 half-moves
15 Rb3 win in 7 half-moves
16 Rb8 win in 7 half-moves
17 Ka5 draw
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves