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

EGTB: win in 6 half-moves

# move score
1 Ra4 win in 5 half-moves
2 Bc7 draw
3 Bd6 draw
4 Be5 draw
5 Bf4 draw
6 Bh2 draw
7 Nf4 draw
8 Nh4 draw
9 Ra5 draw
10 Ra6 draw
11 Ra7 draw
12 Ba7 loss in 2 half-moves
13 Bg3 loss in 2 half-moves
14 Ne1 loss in 2 half-moves
15 Ne3 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves