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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 K7d7 draw
3 K7f7 draw
4 K8d7 draw
5 K8d8 draw
6 K8f7 draw
7 K8f8 draw
8 Rg7 draw
9 Rh1 draw
10 Rh8 draw
11 K7d8 loss in 2 half-moves
12 K7f8 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rh5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves