Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rd8 win in 1 half-moves
2 Kf8 draw
3 Kh8 draw
4 Ra1 draw
5 Ra5 draw
6 Ra6 draw
7 Ra7 draw
8 Rc8 draw
9 Re8 draw
10 Rf8 draw
11 Kf7 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Kh7 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb8 loss in 2 half-moves