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

EGTB: win in 4 half-moves

# move score
1 Kg8 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Ke6 win in 7 half-moves
4 Kg7 win in 7 half-moves
5 Ke7 draw
6 Ke8 draw
7 Kf8 draw
8 Kff6 draw
9 Kh4 draw
10 Kh5 draw
11 Kh6 draw
12 Rg7 draw
13 Kf4 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kgf6 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rh6 loss in 2 half-moves