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

Book: ∞ / 0

# move proof disproof
1 d3 0
2 Ke6 0
3 Ba6 0
4 Nc6 0
5 a5 0
6 c6 0
7 c5 0
8 Nd5 0
9 Nf5 0
10 Rb8 0
11 Ng6 0
12 a6 0
13 Ng8 0
14 Bb7 0
15 Kd6 0
16 Kd8 0
17 Ke8 0
18 Kc6 0