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 Ra3 win in 3 half-moves
4 Ra5 win in 3 half-moves
5 Ra6 win in 3 half-moves
6 Ka3 win in 5 half-moves
7 Ka4 win in 5 half-moves
8 Ka5 win in 5 half-moves
9 Kb3 win in 5 half-moves
10 Kc3 win in 5 half-moves
11 Kc4 win in 5 half-moves
12 Kc5 win in 5 half-moves
13 Ra4 win in 5 half-moves
14 Rb7 win in 5 half-moves
15 Ra2 win in 9 half-moves
16 Ra1 draw
17 Kb6 loss in 2 half-moves
18 Kb8 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kc8 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Kd7 loss in 2 half-moves
23 Kd8 loss in 2 half-moves
24 Ra8 loss in 2 half-moves