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 Kf2 draw
7 Kf4 draw
8 Kg2 draw
9 Kg4 draw
10 Rh1 draw
11 Rh2 draw
12 Rh4 draw
13 Kh2 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Rh5 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Kf3 loss in 1 half-moves