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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Ra6 win in 7 half-moves
3 Ra8 win in 7 half-moves
4 Kb3 draw
5 Kb6 draw
6 Kb7 draw
7 Kb8 draw
8 Kc6 draw
9 Kc8 draw
10 Kd3 draw
11 Kd6 draw
12 Kd7 draw
13 Kd8 draw
14 Ra1 draw
15 Ra5 draw
16 Ra7 draw
17 Kb2 loss in 2 half-moves
18 Kb4 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kd2 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra4 loss in 2 half-moves