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 Kc6 draw
6 Kc8 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Ra8 draw
11 Rc8 draw
12 Re4 draw
13 Re5 draw
14 Re6 draw
15 Re7 draw
16 Rh8 draw
17 Rb8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Re3 loss in 1 half-moves