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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb6 win in 9 half-moves
3 Rb8 win in 11 half-moves
4 Ra3 win in 25 half-moves
5 Ba1 loss in 2 half-moves
6 Ba5 loss in 2 half-moves
7 Bb2 loss in 2 half-moves
8 Bb4 loss in 2 half-moves
9 Bd2 loss in 2 half-moves
10 Bd4 loss in 2 half-moves
11 Be1 loss in 2 half-moves
12 Be5 loss in 2 half-moves
13 Bf6 loss in 2 half-moves
14 Bg7 loss in 2 half-moves
15 Bh8 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb7 loss in 2 half-moves