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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rg2 win in 3 half-moves
3 Rg3 win in 3 half-moves
4 Rg4 win in 3 half-moves
5 Rg7 win in 3 half-moves
6 Kf6 win in 5 half-moves
7 Rh6 loss in 8 half-moves
8 Rf6 loss in 4 half-moves
9 Kd5 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg8 loss in 2 half-moves