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