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 Ke6 draw
3 Ke7 draw
4 Kf6 draw
5 Kf8 draw
6 Kg6 draw
7 Kg7 draw
8 Kg8 draw
9 Ra8 draw
10 Rd8 draw
11 Re3 draw
12 Re4 draw
13 Re5 draw
14 Re7 draw
15 Rf8 draw
16 Rc8 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves