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 Rb5 win in 3 half-moves
3 Rc6 win in 3 half-moves
4 Ra6 win in 5 half-moves
5 Ba3 loss in 2 half-moves
6 Bb4 loss in 2 half-moves
7 Bb8 loss in 2 half-moves
8 Bc5 loss in 2 half-moves
9 Bc7 loss in 2 half-moves
10 Be5 loss in 2 half-moves
11 Be7 loss in 2 half-moves
12 Bf4 loss in 2 half-moves
13 Bf8 loss in 2 half-moves
14 Bg3 loss in 2 half-moves
15 Bh2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves