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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Nf5 0
3 h6 0
4 d5 0
5 Nc6 0
6 Bb7 0
7 Ng6 0
8 Nd5 0
9 d6 0
10 Ba6 0
11 Rg8 0
12 Kf8 0
13 g6 0
14 Kf7 0
15 Ng8 0
16 Kd8 0
17 h5 0
18 g5 0
19 Rb8 0
20 Rf8 0