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

EGTB: win in 2 half-moves

# move score
1 Qa5 win in 1 half-moves
2 Qa1 draw
3 Kb7 loss in 2 half-moves
4 Kd5 loss in 2 half-moves
5 Qa2 loss in 2 half-moves
6 Qa4 loss in 2 half-moves
7 Qa6 loss in 2 half-moves
8 Qa7 loss in 2 half-moves
9 Qd8 loss in 2 half-moves
10 Qe8 loss in 2 half-moves
11 Qg8 loss in 2 half-moves
12 Qh8 loss in 2 half-moves
13 Kb5 loss in 1 half-moves
14 Kb6 loss in 1 half-moves
15 Kc5 loss in 1 half-moves
16 Kc7 loss in 1 half-moves
17 Kd6 loss in 1 half-moves
18 Kd7 loss in 1 half-moves
19 Qa3 loss in 1 half-moves
20 Qb7 loss in 1 half-moves
21 Qb8 loss in 1 half-moves
22 Qc8 loss in 1 half-moves
23 Qf8 loss in 1 half-moves