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

Book: 148 / 2223

# move proof disproof
1 Qh5 205 148
2 Qf3 69 148
3 e4 25 148
4 d3 23 148
5 c3 21 148
6 a4 20 148
7 Na3 16 148
8 b3 15 148
9 Ke2 14 148
10 Nf3 4 148
11 Ne2 4 148
12 Nc3 3 148
13 g4 588 149
14 h3 333 149
15 g3 52 149
16 f3 12 149
17 Nh3 12 149
18 Kf1 40 150
19 Qe2 11 150
20 d4 1 150
21 a3 51 151
22 b4 10 152
23 c4 8 156
24 f4 1 159
25 h4 2 160
26 Qg4 683 421