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 Kb1 draw
3 Kd1 draw
4 Kd8 draw
5 Ke7 draw
6 Kf7 draw
7 Rf1 draw
8 Rf2 draw
9 Rf3 draw
10 Rf7 draw
11 Rh8 draw
12 Kb2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves