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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Ng4 0
3 Nf5 0
4 Ba6 0
5 Qg6 0
6 Qf7 0
7 Qh5 0
8 Rb8 0
9 d6 0
10 Qd8 0
11 Ng8 0
12 Bg7 0
13 e5 0
14 e6 0
15 Rg8 0
16 Nf7 0
17 g4 0
18 d5 0
19 Bb7 0