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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 Rg8 0
3 g6 0
4 Ke6 0
5 g5 0
6 Ke8 0
7 a6 0
8 c6 0
9 e6 0
10 f5 0
11 a5 0
12 c5 0
13 Na6 0
14 Nc6 0
15 h6 0
16 Kc6 0
17 e5 0
18 Bb7 0
19 h5 0
20 Kd6 0
21 Qe8 0
22 Ba6 0