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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 a6 0
3 c6 0
4 Ng8 0
5 Nf7 0
6 Na6 0
7 Ng4 0
8 Nc6 0
9 Nf5 0
10 Ba6 0
11 Bb7 0
12 Bg7 0
13 Ke6 0
14 Kc6 0
15 Kd8 0
16 Ke8 0
17 Kd6 0
18 a5 0
19 e6 0