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

EGTB: win in 4 half-moves

# move score
1 Kh6 win in 3 half-moves
2 Rh1 draw
3 Rh2 draw
4 Ke7 loss in 2 half-moves
5 Ke8 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kff7 loss in 2 half-moves
8 Kfg8 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kgf7 loss in 2 half-moves
11 Kgg8 loss in 2 half-moves
12 Kh8 loss in 2 half-moves
13 Rh3 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Rh5 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Rh8 loss in 2 half-moves