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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rb1 win in 3 half-moves
3 Ba6 loss in 2 half-moves
4 Bb5 loss in 2 half-moves
5 Bd1 loss in 2 half-moves
6 Bd3 loss in 2 half-moves
7 Bf1 loss in 2 half-moves
8 Bf3 loss in 2 half-moves
9 Bg4 loss in 2 half-moves
10 Bh5 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rg1 loss in 2 half-moves
15 Rh1 loss in 2 half-moves
16 Bc4 loss in 1 half-moves