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

Book: 24 / 316

# move proof disproof
1 b4 141 24
2 Qg4 43 24
3 Nf3 28 24
4 Ke2 27 24
5 Nge2 26 24
6 Nce2 23 24
7 g4 2 24
8 Nd5 2 24
9 Nb5 2 24
10 Qe2 1 24
11 Ne4 1 24
12 Ba3 1 24
13 Qf3 1 24
14 Qh5 1 24
15 d4 1 25
16 h3 2 41
17 d3 1 41
18 f3 1 41
19 g3 1 41
20 e4 1 41
21 a4 1 41
22 f4 1 41
23 h4 1 41
24 Nh3 1 41
25 Nb1 1 41
26 Bb2 1 41
27 Rb1 1 41
28 Kf1 1 41
29 Na4 1 42
30 a3 1 43