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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kc7 loss in 2 half-moves
3 Kc8 loss in 2 half-moves
4 Kd7 loss in 2 half-moves
5 Ke7 loss in 2 half-moves
6 Re6 loss in 2 half-moves
7 Re7 loss in 2 half-moves
8 Rf8 loss in 2 half-moves
9 Rh8 loss in 2 half-moves
10 Re1 loss in 1 half-moves
11 Re2 loss in 1 half-moves
12 Re3 loss in 1 half-moves
13 Re4 loss in 1 half-moves
14 Re5 loss in 1 half-moves