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

EGTB: win in 4 half-moves

# move score
1 Kh4 win in 3 half-moves
2 Rh6 draw
3 Rh7 draw
4 Rh8 draw
5 Ke1 loss in 2 half-moves
6 Ke2 loss in 2 half-moves
7 Kf3 loss in 2 half-moves
8 Kf4 loss in 2 half-moves
9 Kff2 loss in 2 half-moves
10 Kfg2 loss in 2 half-moves
11 Kg1 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kgf2 loss in 2 half-moves
14 Kgg2 loss in 2 half-moves
15 Kh2 loss in 2 half-moves
16 Rh1 loss in 2 half-moves
17 Rh2 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rh5 loss in 2 half-moves