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

Book: ∞ / 0

# move proof disproof
1 Nf5 0
2 e6 0
3 Ke8 0
4 Kd8 0
5 Kc8 0
6 Ke6 0
7 f6 0
8 c6 0
9 c5 0
10 e5 0
11 Ng8 0
12 Bg7 0
13 a5 0
14 Nc6 0
15 Na6 0
16 a6 0
17 Kd6 0
18 Kc6 0
19 f5 0