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

EGTB: win in 4 half-moves

# move score
1 Kg7 win in 3 half-moves
2 Ka5 draw
3 Ka6 draw
4 Kb6 draw
5 Kc5 draw
6 Kc6 draw
7 Kg5 draw
8 Kg6 draw
9 Kh5 draw
10 Kh7 draw
11 Ra8 draw
12 Rb8 draw
13 Rf8 draw
14 Rg8 draw
15 Rh7 draw
16 Ka4 loss in 2 half-moves
17 Kb4 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves