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 Kg4 win in 3 half-moves
3 Kg6 win in 3 half-moves
4 Rg6 win in 3 half-moves
5 Ke5 draw
6 Rg7 draw
7 Rg8 draw
8 Rh5 draw
9 Ke4 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Rg1 loss in 2 half-moves
13 Rg2 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rg4 loss in 2 half-moves