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

EGTB: win in 6 half-moves

# move score
1 b5 win in 5 half-moves
2 Qa7 win in 5 half-moves
3 Qb6 win in 5 half-moves
4 Qh8 win in 5 half-moves
5 Qe8 loss in 4 half-moves
6 Qa8 loss in 2 half-moves
7 Qb5 loss in 2 half-moves
8 Qb7 loss in 2 half-moves
9 Qc7 loss in 2 half-moves
10 Qc8 loss in 2 half-moves
11 Qd6 loss in 2 half-moves
12 Qd8 loss in 2 half-moves
13 Qe5 loss in 2 half-moves
14 Qf4 loss in 2 half-moves
15 Qf8 loss in 2 half-moves
16 Qg3 loss in 2 half-moves
17 Qg8 loss in 2 half-moves
18 Qh2 loss in 2 half-moves