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

EGTB: win in 4 half-moves

# move score
1 Kf2 win in 3 half-moves
2 Kd1 draw
3 Kd2 draw
4 Kf1 draw
5 Kg5 draw
6 Kg6 draw
7 Rd8 draw
8 Rg8 draw
9 Rh6 draw
10 Rh7 draw
11 Ke2 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Kh6 loss in 1 half-moves