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 win in 3 half-moves
3 Ra4 win in 3 half-moves
4 Ra5 win in 3 half-moves
5 Kg3 draw
6 Kg4 draw
7 Kh3 draw
8 Kh5 draw
9 Ra1 draw
10 Re8 draw
11 Rg8 draw
12 Rh8 draw
13 Rc8 loss in 4 half-moves
14 Rd8 loss in 4 half-moves
15 Kg5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Ra2 loss in 1 half-moves