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 Kc6 draw
5 Kc8 draw
6 Kd6 draw
7 Kd7 draw
8 Kd8 draw
9 Rd8 draw
10 Re2 draw
11 Re7 draw
12 Rf8 draw
13 Rc8 loss in 6 half-moves
14 Kb8 loss in 4 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rh8 loss in 2 half-moves