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

EGTB: win in 4 half-moves

# move score
1 Kg6 win in 3 half-moves
2 Rc6 draw
3 Rh8 draw
4 Kg4 loss in 2 half-moves
5 Kg5 loss in 2 half-moves
6 Kh4 loss in 2 half-moves
7 Ra6 loss in 2 half-moves
8 Rb6 loss in 2 half-moves
9 Rd6 loss in 2 half-moves
10 Re6 loss in 2 half-moves
11 Rf6 loss in 2 half-moves
12 Rg6 loss in 2 half-moves
13 Rh7 loss in 2 half-moves