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 Rb6 win in 3 half-moves
3 Kb3 win in 7 half-moves
4 Kb6 win in 7 half-moves
5 Kc4 win in 7 half-moves
6 Kd6 win in 7 half-moves
7 Ra3 win in 7 half-moves
8 Kb2 draw
9 Kc2 draw
10 Kd2 draw
11 Kd3 draw
12 Kd4 draw
13 Ra1 draw
14 Kb5 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Ra8 loss in 2 half-moves