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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Kd7 win in 7 half-moves
3 Kd8 win in 9 half-moves
4 Ke7 draw
5 Kef7 draw
6 Kef8 draw
7 Kf6 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kgf7 loss in 2 half-moves
10 Kgf8 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Kh8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves