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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Kf7 draw
3 Kf8 draw
4 Kg6 draw
5 Kgg7 draw
6 Kgh7 draw
7 Kh8 draw
8 Khg7 draw
9 Khh7 draw
10 Ra1 draw
11 Kg5 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh4 loss in 2 half-moves