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 Kd7 draw
3 Ke7 draw
4 Ke8 draw
5 Kc7 loss in 12 half-moves
6 Rf7 loss in 10 half-moves
7 Kc8 loss in 8 half-moves
8 Rh8 loss in 6 half-moves
9 Rf5 loss in 4 half-moves
10 Rf6 loss in 4 half-moves
11 Re8 loss in 2 half-moves
12 Rf2 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf1 loss in 1 half-moves