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 Kg7 draw
3 Kh7 draw
4 Kh8 draw
5 Ra3 draw
6 Re8 draw
7 Rf8 draw
8 Ra1 loss in 4 half-moves
9 Kf7 loss in 2 half-moves
10 Kf8 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves