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

Book: ∞ / 0

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