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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ba7 draw
3 Bc5 draw
4 Bd4 draw
5 Be1 draw
6 Bg1 draw
7 Bh4 draw
8 Ra2 draw
9 Ra3 draw
10 Bb6 loss in 2 half-moves
11 Be3 loss in 2 half-moves
12 Bg3 loss in 2 half-moves
13 Nb2 loss in 2 half-moves
14 Nc3 loss in 2 half-moves
15 Ne3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rc1 loss in 2 half-moves