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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Kcd7 draw
3 Kcd8 draw
4 Ked7 draw
5 Ked8 draw
6 Kf8 draw
7 Rg8 draw
8 Rh6 draw
9 Rh7 draw
10 Kb7 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rh1 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rh5 loss in 2 half-moves