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

Book: ∞ / 0

# move proof disproof
1 Ke6 0
2 Nh6 0
3 f6 0
4 c5 0
5 Na6 0
6 a5 0
7 Bg7 0
8 Nf6 0
9 Bh6 0
10 Ke8 0
11 Kd8 0
12 Kc7 0
13 Kd6 0
14 f5 0
15 Ba6 0
16 a6 0
17 Bb7 0
18 e5 0
19 e6 0