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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kd5 win in 5 half-moves
3 Kd6 win in 5 half-moves
4 Kf6 win in 5 half-moves
5 Kd7 win in 7 half-moves
6 Kf7 win in 7 half-moves
7 Ra8 win in 11 half-moves
8 Ke5 win in 15 half-moves
9 Ke7 win in 15 half-moves
10 Re7 win in 15 half-moves
11 Kf5 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves