Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rd8 win in 1 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kg7 draw
8 Kg8 draw
9 Kh7 draw
10 Ra8 draw
11 Rb8 draw
12 Rc8 draw
13 Re3 draw
14 Re4 draw
15 Re5 draw
16 Re6 draw
17 Re7 draw
18 Rf8 draw
19 Re1 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rg8 loss in 2 half-moves