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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 Nc6 0
3 Rg8 0
4 Bb7 0
5 f6 0
6 h6 0
7 Kd8 0
8 Kd6 0
9 Ke6 0
10 Rh8 0
11 Rf8 0
12 Rd8 0
13 Na6 0
14 e6 0
15 a6 0
16 e5 0
17 f5 0
18 h5 0
19 Kc6 0
20 Kc7 0
21 Ba6 0