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 Nf7 0
4 g5 0
5 Bb7 0
6 Nc2 0
7 Nb3 0
8 f5 0
9 Ng8 0
10 Rg8 0
11 Rb8 0
12 Kd6 0
13 e6 0
14 Ke6 0
15 Ng4 0
16 c6 0
17 c5 0
18 e5 0
19 Ba6 0
20 Kc6 0
21 Ke8 0
22 Qe8 0
23 g6 0