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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Kf4 draw
3 Kf5 draw
4 Kgg5 draw
5 Kgh4 draw
6 Kh6 draw
7 Khh4 draw
8 Rd7 draw
9 Rg7 draw
10 Rh8 draw
11 Kf3 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kh3 loss in 2 half-moves
15 Khg5 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves