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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 c5 0
3 Ke6 0
4 e6 0
5 Bb7 0
6 f5 0
7 Kd6 0
8 Kc7 0
9 Kd8 0
10 Ke8 0
11 Bh6 0
12 Bg7 0
13 Ba6 0
14 Ng5 0
15 e5 0
16 Na6 0
17 Rg8 0