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

EGTB: win in 4 half-moves

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