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

EGTB: win in 2 half-moves

# move score
1 Re8 win in 1 half-moves
2 Kb7 loss in 12 half-moves
3 Kc7 loss in 12 half-moves
4 Kd7 loss in 12 half-moves
5 Kb8 loss in 8 half-moves
6 Kd8 loss in 8 half-moves
7 Rf8 loss in 8 half-moves
8 Rg8 loss in 8 half-moves
9 Rh6 loss in 6 half-moves
10 Rh7 loss in 6 half-moves
11 Rh5 loss in 4 half-moves
12 Rd8 loss in 2 half-moves
13 Rh2 loss in 2 half-moves
14 Rh3 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rh1 loss in 1 half-moves