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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 Ng5 0
3 a6 0
4 Bb7 0
5 f5 0
6 Kd8 0
7 Ke8 0
8 Rg8 0
9 Ba6 0
10 Kd6 0
11 e5 0
12 a5 0
13 Kc7 0
14 Bh6 0
15 f6 0
16 Ke6 0
17 Bg7 0
18 e6 0
19 c5 0
20 Na6 0