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

EGTB: win in 6 half-moves

# move score
1 Ra4 win in 5 half-moves
2 Kb6 draw
3 Kc2 draw
4 Kc3 draw
5 Kc4 draw
6 Ke2 draw
7 Ke3 draw
8 Ke4 draw
9 Ra1 draw
10 Ra2 draw
11 Ra3 draw
12 Rb6 draw
13 Kb5 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd7 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