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

Book: 21 / 595

# move proof disproof
1 Qe2 3 21
2 g4 2 21
3 c4 2 21
4 a4 2 21
5 b4 2 21
6 d3 2 21
7 c3 2 21
8 a3 2 21
9 Nc3 2 21
10 f4 1 21
11 f3 1 21
12 Qf3 334 22
13 Qg4 8 22
14 Qh5 8 22
15 Bb2 5 22
16 Ba3 5 22
17 d4 2 22
18 Ke2 56 23
19 Ne2 26 23
20 Nf3 26 23
21 Rh2 26 25
22 e4 1 26
23 Kf1 27 27
24 Na3 25 27
25 g3 24 41
26 h4 1 50