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 draw
3 Kc6 draw
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Kg1 draw
8 Ra8 draw
9 Rb8 draw
10 Rd8 draw
11 Re8 draw
12 Rf8 draw
13 Kb6 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kg2 loss in 1 half-moves
16 Kh2 loss in 1 half-moves
17 Rh8 loss in 1 half-moves