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