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 Ra5 draw
4 Ra6 draw
5 Ra7 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 Rh8 draw
11 K2g1 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 K1g1 loss in 1 half-moves
15 K1g2 loss in 1 half-moves
16 K2g2 loss in 1 half-moves
17 Ra1 loss in 1 half-moves
18 Ra3 loss in 1 half-moves
19 Ra4 loss in 1 half-moves
20 Rc8 loss in 1 half-moves