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

EGTB: win in 4 half-moves

# move score
1 Qb7 win in 3 half-moves
2 Qc5 draw
3 Qc7 draw
4 Qd4 draw
5 Qg7 draw
6 b6 loss in 2 half-moves
7 Qa1 loss in 2 half-moves
8 Qa3 loss in 2 half-moves
9 Qa4 loss in 2 half-moves
10 Qa5 loss in 2 half-moves
11 Qa6 loss in 2 half-moves
12 Qa8 loss in 2 half-moves
13 Qb6 loss in 2 half-moves
14 Qb8 loss in 2 half-moves
15 Qd7 loss in 2 half-moves
16 Qe3 loss in 2 half-moves
17 Qe7 loss in 2 half-moves
18 Qf2 loss in 2 half-moves
19 Qf7 loss in 2 half-moves
20 Qg1 loss in 2 half-moves
21 Qh7 loss in 2 half-moves
22 Qa2 loss in 1 half-moves