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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 Ba6 0
3 Kd8 0
4 Kd6 0
5 Kc7 0
6 e6 0
7 Ke6 0
8 Bb7 0
9 Ke8 0
10 e5 0
11 Na6 0
12 Kc6 0
13 a5 0
14 Nc6 0
15 Rg8 0
16 Bg7 0
17 Bh6 0
18 g4 0
19 a6 0