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 Ba6 draw
3 Bb7 draw
4 Bd7 draw
5 Be6 draw
6 Bg4 draw
7 Bh3 draw
8 Nb6 draw
9 Nc7 draw
10 Rb2 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Bf5 loss in 1 half-moves
16 Rb6 loss in 1 half-moves