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 Kb5 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rc6 win in 3 half-moves
5 Kb3 win in 7 half-moves
6 Kc6 win in 11 half-moves
7 Ka5 win in 15 half-moves
8 Ka3 draw
9 Ra7 draw
10 Ra8 draw
11 Kc5 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Ra5 loss in 2 half-moves