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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Kd3 draw
3 Kd4 draw
4 Kd5 draw
5 Ke3 draw
6 Kf3 draw
7 Kf4 draw
8 Kg7 draw
9 Kg8 draw
10 Kh7 draw
11 Rd1 draw
12 Re1 draw
13 Rf5 draw
14 Rf6 draw
15 Rf7 draw
16 Rf8 draw
17 Rg1 draw
18 Rh1 draw
19 Ke5 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves