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 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kd8 draw
6 Rb8 draw
7 Rd8 draw
8 Kc6 loss in 8 half-moves
9 Ra8 loss in 8 half-moves
10 Kd6 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves