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

Book: 33 / 205

# move proof disproof
1 Nf7 23 33
2 Na6 8 33
3 Nc6 8 33
4 e6 4 33
5 e5 3 33
6 g6 1 33
7 f5 1 33
8 c5 50 34
9 Ke6 2 34
10 Kc6 2 34
11 Ke8 2 34
12 Bb7 3 43
13 Rg8 1 43
14 Ng4 44 45
15 Nf5 3 46
16 g5 1 46
17 a6 1 46
18 c6 1 46
19 Ba6 1 46
20 Kd6 1 47
21 Qe8 1 48
22 Ng8 26 50
23 a5 18 52