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

Book: 3 / 996

# move proof disproof
1 e4 893 3
2 g4 41 6
3 Qg4 40 6
4 Ng5 1 21
5 Nf4 1 21
6 f4 1 21
7 Ke2 1 22
8 Qh5 1 22
9 Qf3 1 22
10 Qe2 1 22
11 Rg1 1 22
12 Ng1 1 22
13 Na3 1 22
14 d4 1 22
15 c4 1 22
16 b4 1 22
17 a4 1 22
18 g3 1 22
19 f3 1 22
20 d3 1 22
21 c3 1 22
22 b3 1 22
23 a3 1 22
24 Rh1 1 42
25 Nc3 1 42