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

Book: ∞ / 0

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