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

EGTB: win in 4 half-moves

# move score
1 Kf6 win in 3 half-moves
2 Ke4 draw
3 Ke6 draw
4 Kf4 draw
5 Kf5 draw
6 Kg7 draw
7 Kg8 draw
8 Kh7 draw
9 Rc2 draw
10 Rd2 draw
11 Re1 draw
12 Re3 draw
13 Rf2 draw
14 Rg2 draw
15 Rh2 draw
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Re4 loss in 2 half-moves