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

EGTB: win in 2 half-moves

# move score
1 Qb8 win in 1 half-moves
2 Qa1 loss in 2 half-moves
3 Qa2 loss in 2 half-moves
4 Qa3 loss in 2 half-moves
5 Qa4 loss in 2 half-moves
6 Qa5 loss in 2 half-moves
7 Qa6 loss in 2 half-moves
8 Qa7 loss in 2 half-moves
9 Qb7 loss in 2 half-moves
10 Qc6 loss in 2 half-moves
11 Qc8 loss in 2 half-moves
12 Qd5 loss in 2 half-moves
13 Qd8 loss in 2 half-moves
14 Qe4 loss in 2 half-moves
15 Qe8 loss in 2 half-moves
16 Qf3 loss in 2 half-moves
17 Qf8 loss in 2 half-moves
18 Qg2 loss in 2 half-moves
19 Qg8 loss in 2 half-moves
20 Qh1 loss in 2 half-moves
21 Qh8 loss in 2 half-moves