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