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 Ra2 draw
3 Ra3 draw
4 Ra4 draw
5 Ra5 draw
6 Kf7 loss in 2 half-moves
7 Kf8 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kgg7 loss in 2 half-moves
10 Kgh8 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Khg7 loss in 2 half-moves
13 Khh8 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves