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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 Ba6 0
3 c5 0
4 Rg8 0
5 Na6 0
6 Ke6 0
7 Nf6 0
8 Bg7 0
9 Ng5 0
10 Qd8 0
11 a6 0
12 Kc7 0
13 Kd8 0
14 f5 0
15 Bh6 0
16 a5 0
17 Kd6 0
18 e6 0
19 e5 0
20 Bb7 0