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

EGTB: win in 4 half-moves

# move score
1 Kg3 win in 3 half-moves
2 Kg4 win in 3 half-moves
3 Kh4 win in 9 half-moves
4 Kg2 draw
5 Kh2 draw
6 Rh4 draw
7 Rh5 draw
8 Rh6 draw
9 Kf7 loss in 2 half-moves
10 Kf8 loss in 2 half-moves
11 Kg7 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Rh7 loss in 2 half-moves