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 Ka5 draw
3 Ka7 draw
4 Kb6 draw
5 Kb7 draw
6 Kd2 draw
7 Kf2 draw
8 Rf2 draw
9 Rg3 draw
10 Rg4 draw
11 Rg5 draw
12 Rg6 draw
13 Rg7 draw
14 Rg8 draw
15 Rh2 draw
16 Kd1 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Kf1 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Rg1 loss in 2 half-moves