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 Kg3 draw
4 Kg6 draw
5 Kg7 draw
6 Kg8 draw
7 Kh1 draw
8 Kh2 draw
9 Kh3 draw
10 Kh6 draw
11 Ra8 draw
12 Rg8 draw
13 Kf1 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves