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

EGTB: win in 4 half-moves

# move score
1 Kf2 win in 3 half-moves
2 Kd1 draw
3 Kd3 draw
4 Ke1 draw
5 Ke3 draw
6 Kf1 draw
7 Kf3 draw
8 Kg5 draw
9 Kg6 draw
10 Kg7 draw
11 Rg8 draw
12 Kd2 loss in 2 half-moves
13 Kh5 loss in 2 half-moves
14 Kh7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rh7 loss in 2 half-moves