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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Kf8 win in 3 half-moves
3 Kg4 win in 3 half-moves
4 Kg5 win in 3 half-moves
5 Kg6 win in 3 half-moves
6 Rg8 win in 7 half-moves
7 Rf8 win in 11 half-moves
8 Rh8 win in 25 half-moves
9 Kd6 draw
10 Kd7 draw
11 Kd8 draw
12 Ke6 draw
13 Kf6 draw
14 Kh4 draw
15 Kh6 draw
16 Ra8 draw
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves