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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Re1 loss in 4 half-moves
3 Kb7 loss in 2 half-moves
4 Kb8 loss in 2 half-moves
5 Kc7 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Kd8 loss in 2 half-moves
8 Rd8 loss in 2 half-moves
9 Re5 loss in 2 half-moves
10 Re6 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves
14 Re2 loss in 1 half-moves
15 Re3 loss in 1 half-moves
16 Re4 loss in 1 half-moves