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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rf8 win in 3 half-moves
3 Ra5 win in 5 half-moves
4 Rb8 win in 5 half-moves
5 Ra1 win in 15 half-moves
6 Ra2 win in 15 half-moves
7 Bb8 draw
8 Bc7 draw
9 Bd6 draw
10 Bg3 draw
11 Rg8 draw
12 Be5 loss in 2 half-moves
13 Bf4 loss in 2 half-moves
14 Bg1 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves