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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 Qa5 0
3 Qb6 0
4 Ke6 0
5 f6 0
6 f5 0
7 Nh6 0
8 Qc7 0
9 c5 0
10 Kc7 0
11 Ke8 0
12 Kd6 0
13 a6 0
14 Nf6 0
15 Qe8 0
16 e6 0
17 e5 0
18 Na6 0
19 Bg7 0
20 Ba6 0
21 Bb7 0
22 Bh6 0
23 a5 0