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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 h5 0
3 d5 0
4 Ba6 0
5 Rg8 0
6 Kd8 0
7 Kf8 0
8 g6 0
9 Nc6 0
10 Ng8 0
11 Kf7 0
12 d6 0
13 Nf5 0
14 Rb8 0
15 h6 0
16 g5 0
17 Ng6 0
18 Bb7 0
19 e5 0
20 Nd5 0
21 Rf8 0