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

EGTB: win in 4 half-moves

# move score
1 K7d8 win in 3 half-moves
2 K7f8 win in 3 half-moves
3 K7f7 win in 5 half-moves
4 K8f7 win in 5 half-moves
5 Rf7 win in 5 half-moves
6 Rg6 win in 5 half-moves
7 K7d7 draw
8 K8d7 draw
9 K8d8 draw
10 K8f8 draw
11 Rg1 draw
12 Rg5 draw
13 Rg8 draw
14 Rh7 draw
15 Kd6 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves