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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 Na6 0
3 Qd8 0
4 Qg8 0
5 c6 0
6 Kc6 0
7 Kd6 0
8 c5 0
9 Qh5 0
10 Qh8 0
11 a6 0
12 Qe7 0
13 Nc6 0
14 a5 0
15 Ba6 0
16 Qg6 0
17 Kd8 0
18 Ke7 0
19 Bb7 0
20 Qf8 0
21 Qf7 0