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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 Nb5 0
3 Nc6 0
4 e6 0
5 Kc6 0
6 g6 0
7 Ng5 0
8 Rb8 0
9 Nf6 0
10 Bb7 0
11 Ke6 0
12 Kd8 0
13 Kd6 0
14 Kc7 0
15 Ke8 0
16 g5 0
17 Ba6 0