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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Nb7 0
3 Bb7 0
4 Ke6 0
5 Ba6 0
6 a5 0
7 Rg8 0
8 Nf7 0
9 h6 0
10 Na6 0
11 c5 0
12 Kc7 0
13 Ke8 0
14 Kd6 0
15 e5 0
16 Bh6 0
17 Ne6 0
18 h5 0
19 e6 0
20 Bg7 0