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

EGTB: win in 4 half-moves

# move score
1 K7g7 win in 3 half-moves
2 K7g8 win in 3 half-moves
3 K8g7 win in 3 half-moves
4 K8g8 win in 3 half-moves
5 Kg6 win in 3 half-moves
6 Rg8 win in 3 half-moves
7 Kf6 win in 9 half-moves
8 Rh3 draw
9 Rh7 draw
10 K7e7 loss in 2 half-moves
11 K7e8 loss in 2 half-moves
12 K8e7 loss in 2 half-moves
13 K8e8 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Rh1 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Rh6 loss in 2 half-moves