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

Book: 24 / 363

# move proof disproof
1 Na3 1 24
2 h4 1 24
3 d4 1 24
4 c4 1 24
5 a4 1 24
6 e4 1 24
7 b4 1 24
8 g3 1 24
9 d3 1 24
10 c3 1 24
11 a3 1 24
12 Qe2 1 24
13 Ng5 87 25
14 Ne5 86 25
15 g4 39 25
16 Ke2 30 25
17 Kf1 27 25
18 Rf1 24 25
19 Rg1 24 25
20 Nd4 1 25
21 Bb2 1 25
22 Nc3 28 26
23 Ng1 1 45
24 Nh4 1 45
25 Ba3 1 48
26 h3 1 65