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 Kgg7 win in 3 half-moves
3 Kgh7 win in 3 half-moves
4 Khg7 win in 3 half-moves
5 Khh7 win in 3 half-moves
6 Rh7 win in 3 half-moves
7 Khg5 win in 7 half-moves
8 Kgg5 draw
9 Kgh5 draw
10 Khh5 draw
11 Ra8 draw
12 Rf8 draw
13 Rg8 draw
14 Kf5 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves