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 Rb4 win in 3 half-moves
4 Ra5 win in 7 half-moves
5 Rb3 win in 7 half-moves
6 Ka6 win in 9 half-moves
7 Ka8 win in 9 half-moves
8 Rb1 win in 9 half-moves
9 Rb2 win in 9 half-moves
10 Kd4 draw
11 Rb6 draw
12 Kd5 loss in 4 half-moves
13 Kab6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kcb6 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves