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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 Qg6 0
3 e5 0
4 Qh5 0
5 Nh6 0
6 Kd6 0
7 g6 0
8 h5 0
9 Qd8 0
10 Na6 0
11 Ke6 0
12 e6 0
13 Ba6 0
14 Kc6 0
15 Bb7 0
16 Nc6 0
17 Qf7 0
18 Kd8 0
19 Kc7 0
20 g5 0
21 h6 0