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

EGTB: win in 4 half-moves

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