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

EGTB: win in 4 half-moves

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