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

Book: ∞ / 0

# move proof disproof
1 h3 0
2 Nh6 0
3 Nh8 0
4 Bb7 0
5 Ne5 0
6 Nc6 0
7 Na6 0
8 Ba6 0
9 Bg7 0
10 Bh6 0
11 e5 0
12 Nd6 0
13 Ng5 0
14 e6 0
15 Kc6 0
16 Ke6 0
17 Ke8 0
18 Kd6 0
19 a6 0
20 c6 0
21 Qe8 0
22 c5 0
23 a5 0