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

Book: ∞ / 0

# move proof disproof
1 Nc6 0
2 Ng8 0
3 Bg7 0
4 c4 0
5 Nf5 0
6 Bb7 0
7 Ba6 0
8 f6 0
9 f5 0
10 e6 0
11 a6 0
12 Na6 0
13 Kc6 0
14 Kc7 0
15 Kd8 0
16 Ke8 0
17 a5 0
18 Kd6 0
19 Ke6 0