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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Bb8 draw
3 Bd6 draw
4 Be5 draw
5 Bg1 draw
6 Bg3 draw
7 Nb3 draw
8 Ra1 draw
9 Ra2 draw
10 Rb3 draw
11 Bc7 loss in 2 half-moves
12 Bf4 loss in 2 half-moves
13 Nb7 loss in 2 half-moves
14 Nc4 loss in 2 half-moves
15 Nc6 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves