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

Book: ∞ / 0

# move proof disproof
1 Nb7 0
2 Ke6 0
3 a6 0
4 e6 0
5 h5 0
6 Na6 0
7 e5 0
8 Ne6 0
9 Kc7 0
10 Rg8 0
11 Nf7 0
12 a5 0
13 c5 0
14 Bb7 0
15 Ba6 0
16 Bg7 0
17 Kd6 0
18 h6 0
19 Ke8 0
20 Bh6 0