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 Kgh7 win in 3 half-moves
3 Kf5 win in 5 half-moves
4 Kgg7 win in 5 half-moves
5 Kgh5 win in 5 half-moves
6 Khg7 win in 5 half-moves
7 Rf8 win in 7 half-moves
8 Kf6 draw
9 Kgg5 draw
10 Khg5 draw
11 Khh5 draw
12 Khh7 draw
13 Ra8 draw
14 Re8 draw
15 Rg7 draw
16 Rh8 draw
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves