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

EGTB: win in 4 half-moves

# move score
1 Kh3 win in 3 half-moves
2 Rh5 draw
3 Rh6 draw
4 Rh7 draw
5 Kd1 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Ke2 loss in 2 half-moves
8 Kef1 loss in 2 half-moves
9 Kef2 loss in 2 half-moves
10 Kf3 loss in 2 half-moves
11 Kg1 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kgf1 loss in 2 half-moves
14 Kgf2 loss in 2 half-moves
15 Kh1 loss in 2 half-moves
16 Rh1 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rh8 loss in 2 half-moves