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

Book: ∞ / 0

# move proof disproof
1 g6 0
2 g5 0
3 Qa5 0
4 Qb6 0
5 Qc7 0
6 Ke8 0
7 Kc7 0
8 a5 0
9 Na6 0
10 Kd6 0
11 c5 0
12 Bb7 0
13 Ba6 0
14 a6 0
15 Qe8 0
16 Nf6 0
17 e5 0
18 e6 0
19 Nh6 0
20 Ke6 0