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

EGTB: win in 4 half-moves

# move score
1 K7f8 win in 3 half-moves
2 K8f8 win in 3 half-moves
3 Kf6 win in 3 half-moves
4 Rf8 win in 3 half-moves
5 K8d7 win in 7 half-moves
6 K7d7 draw
7 K7d8 draw
8 K7f7 draw
9 K8d8 draw
10 Ke6 draw
11 Rg1 draw
12 Rg7 draw
13 Rh8 draw
14 K8f7 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves