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

EGTB: win in 4 half-moves

# move score
1 Kf4 win in 3 half-moves
2 Kd2 draw
3 Kd3 draw
4 Kd4 draw
5 Kf2 draw
6 Rf1 draw
7 Ke2 loss in 2 half-moves
8 Ke4 loss in 2 half-moves
9 Kg5 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kg7 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Kh7 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves