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 Kb7 loss in 2 half-moves
3 Kb8 loss in 2 half-moves
4 Kc7 loss in 2 half-moves
5 Kd7 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Rd8 loss in 2 half-moves
8 Re8 loss in 2 half-moves
9 Rf3 loss in 2 half-moves
10 Rf5 loss in 2 half-moves
11 Rf6 loss in 2 half-moves
12 Rf7 loss in 2 half-moves
13 Rh8 loss in 2 half-moves
14 Rf1 loss in 1 half-moves
15 Rf2 loss in 1 half-moves
16 Rf4 loss in 1 half-moves