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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Ba6 0
3 c5 0
4 Na6 0
5 Rg8 0
6 e5 0
7 g4 0
8 Ke6 0
9 f5 0
10 Kd6 0
11 Kc7 0
12 Kd8 0
13 Ke8 0
14 Bh6 0
15 Bg7 0
16 e6 0
17 Bb7 0