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

EGTB: win in 4 half-moves

# move score
1 Kff7 win in 3 half-moves
2 Kg7 win in 3 half-moves
3 Rg6 win in 3 half-moves
4 Ke6 win in 7 half-moves
5 Kf6 win in 7 half-moves
6 Kd7 win in 9 half-moves
7 Kd6 win in 11 half-moves
8 Kd8 win in 11 half-moves
9 Kef7 win in 11 half-moves
10 Kee8 draw
11 Kfe8 draw
12 Rg3 draw
13 Rg4 draw
14 Rg5 draw
15 Rg7 draw
16 Rh8 draw
17 Rg1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves