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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 f6 0
3 Bb7 0
4 g5 0
5 Nf6 0
6 a6 0
7 g6 0
8 Kd6 0
9 Ke6 0
10 Na6 0
11 e6 0
12 Kc7 0
13 Kd8 0
14 Ke8 0
15 c5 0
16 Nh6 0
17 e5 0
18 Ba6 0
19 a5 0