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 Ra3 draw
3 Ra4 draw
4 Ra5 draw
5 Ra7 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 K7g8 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kh6 loss in 2 half-moves
13 K7g7 loss in 1 half-moves
14 K8g7 loss in 1 half-moves
15 K8g8 loss in 1 half-moves
16 Ra1 loss in 1 half-moves
17 Ra2 loss in 1 half-moves
18 Ra6 loss in 1 half-moves
19 Rc8 loss in 1 half-moves