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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kg7 draw
3 Kg8 draw
4 Kh8 draw
5 Ra8 draw
6 Re6 draw
7 Re7 draw
8 Rh8 draw
9 Kg6 loss in 4 half-moves
10 Kh6 loss in 4 half-moves
11 Re5 loss in 4 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Re1 loss in 1 half-moves
17 Re2 loss in 1 half-moves
18 Re3 loss in 1 half-moves
19 Re4 loss in 1 half-moves