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

Book: 39 / ∞

# move proof disproof
1 Kd3 29 39
2 Nf3 39 41
3 Nh3 29 42
4 g4 1 42
5 e4 1 42
6 Bb2 1 42
7 a4 27 43
8 c4 26 43
9 b4 1 43
10 d4 1 43
11 d3 28 44
12 Nc3 28 44
13 Qe1 26 44
14 Qf1 26 44
15 Kf3 26 44
16 c3 25 44
17 g3 25 44
18 h3 25 44
19 Na3 25 44
20 a3 24 44
21 f3 24 44
22 h4 24 48
23 Kf1 28 59
24 Ba3 1 61
25 f4 26 63
26 Ke1 ∞ ∞