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

Book: ∞ / 0

# move proof disproof
1 Na6 0
2 g4 0
3 e5 0
4 Bf8 0
5 f6 0
6 Ke6 0
7 Kd8 0
8 Ke8 0
9 c6 0
10 Nc6 0
11 Kd6 0
12 e6 0
13 a6 0
14 Nf6 0
15 Kc8 0
16 Kc6 0
17 Bg7 0
18 f5 0