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 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Kb4 draw
6 Ra5 draw
7 Ra6 draw
8 Rb7 draw
9 Rc7 draw
10 Rd7 draw
11 Kd6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Ra8 loss in 2 half-moves