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

EGTB: win in 4 half-moves

# move score
1 Ke1 win in 3 half-moves
2 Kc2 draw
3 Kd2 draw
4 Ke2 draw
5 Kf4 draw
6 Kf5 draw
7 Kf6 draw
8 Rf8 draw
9 Kc1 loss in 2 half-moves
10 Kg4 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kh4 loss in 2 half-moves
13 Kh5 loss in 2 half-moves
14 Kh6 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 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves