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 Kd5 draw
3 Kd6 draw
4 Kd7 draw
5 Ke5 draw
6 Kg2 draw
7 Kg3 draw
8 Kg4 draw
9 Kh2 draw
10 Kh4 draw
11 Rf1 draw
12 Rf2 draw
13 Rf3 draw
14 Rf4 draw
15 Rf5 draw
16 Ke7 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves