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

EGTB: win in 4 half-moves

# move score
1 Qa1 win in 3 half-moves
2 Qb2 loss in 8 half-moves
3 Qa2 loss in 2 half-moves
4 Qb3 loss in 2 half-moves
5 Qc1 loss in 2 half-moves
6 Qc2 loss in 2 half-moves
7 Qd1 loss in 2 half-moves
8 Qd3 loss in 2 half-moves
9 Qe1 loss in 2 half-moves
10 Qf1 loss in 2 half-moves
11 Qg1 loss in 2 half-moves
12 Qg6 loss in 2 half-moves
13 Qh1 loss in 2 half-moves
14 Qh7 loss in 2 half-moves
15 b5 loss in 1 half-moves
16 Qe4 loss in 1 half-moves
17 Qf5 loss in 1 half-moves