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 Kg1 draw
3 Kg2 draw
4 Kg7 draw
5 Kg8 draw
6 Kh2 draw
7 Kh7 draw
8 Rc8 draw
9 Rd8 draw
10 Re5 draw
11 Re6 draw
12 Re7 draw
13 Ra8 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves