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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Ka6 win in 7 half-moves
3 Ka7 win in 7 half-moves
4 Ka8 win in 7 half-moves
5 Kb8 win in 7 half-moves
6 Kbc6 win in 7 half-moves
7 Kc7 win in 7 half-moves
8 Kc8 win in 7 half-moves
9 Ra5 win in 7 half-moves
10 Kb4 draw
11 Kbb6 draw
12 Kc4 draw
13 Kcb6 draw
14 Kcc6 draw
15 Kd6 draw
16 Rb1 draw
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves