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 Kd6 draw
4 Ra8 draw
5 Rb8 draw
6 Rd8 draw
7 Rf8 draw
8 Rh8 draw
9 Kb7 loss in 1 half-moves
10 Kb8 loss in 1 half-moves
11 Kc6 loss in 1 half-moves
12 Kd7 loss in 1 half-moves
13 Kd8 loss in 1 half-moves
14 Ke1 loss in 1 half-moves
15 Ke2 loss in 1 half-moves
16 Kf2 loss in 1 half-moves
17 Kg1 loss in 1 half-moves
18 Kg2 loss in 1 half-moves
19 Re8 loss in 1 half-moves