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

Book: 26 / 383

# move proof disproof
1 Nh3 1 26
2 d3 28 29
3 c4 26 29
4 f4 26 29
5 Qe1 26 29
6 Qf1 26 29
7 c3 25 29
8 g3 25 29
9 Na3 25 29
10 a3 24 29
11 Bb2 1 29
12 Nf3 30 30
13 g4 28 30
14 Nc3 28 30
15 a4 27 30
16 Ba3 1 30
17 h4 27 47
18 e4 1 48
19 f3 1 49
20 h3 1 49
21 Ke1 1 49
22 Kf1 1 49
23 Kd3 1 49
24 Kf3 1 49
25 b4 1 50
26 d4 1 50