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

Book: 54 / 212

# move proof disproof
1 g4 101 54
2 Nh6 28 54
3 c6 27 54
4 h6 25 54
5 f6 17 54
6 Nc6 2 54
7 d5 1 54
8 f5 1 54
9 c5 1 54
10 a5 1 54
11 d6 1 54
12 h5 1 55
13 Nf6 1 55
14 Bh6 1 55
15 e6 1 55
16 e5 1 56
17 Bb7 1 70
18 Bg7 1 76