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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 Nh6 0
3 e6 0
4 Nb8 0
5 Nc7 0
6 h5 0
7 h6 0
8 Qb6 0
9 Kc6 0
10 Ke8 0
11 Qa5 0
12 Qe8 0
13 Kc7 0
14 e5 0
15 Ke6 0
16 Kd6 0
17 g5 0
18 b3 0
19 Qc7 0
20 Bb7 0
21 g6 0