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

EGTB: win in 4 half-moves

# move score
1 Ke4 win in 3 half-moves
2 Ke6 win in 3 half-moves
3 Kf4 win in 3 half-moves
4 Kf5 win in 3 half-moves
5 Kf6 win in 3 half-moves
6 Rf5 win in 3 half-moves
7 Rg1 draw
8 Rh5 draw
9 Kd4 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Rg2 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rg8 loss in 2 half-moves