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 Kf7 draw
3 Kf8 draw
4 Kg8 draw
5 Kh7 draw
6 Kh8 draw
7 Ra8 draw
8 Rc8 draw
9 Rd8 draw
10 Re1 draw
11 Re2 draw
12 Re7 draw
13 Rf8 draw
14 Rg8 draw
15 Kf6 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Kh6 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rh8 loss in 2 half-moves