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

Book: 249 / 943

# move proof disproof
1 Nf5 437 249
2 Ng4 333 249
3 Nb8 30 249
4 f6 26 249
5 c6 5 249
6 a6 5 249
7 Nb6 5 249
8 Rg8 5 249
9 Rb8 4 249
10 c5 2 249
11 e6 2 249
12 e5 1 249
13 g6 2 250
14 g5 2 250
15 Bb7 1 251
16 Nc5 2 259
17 Nf6 2 261
18 a5 2 262
19 f5 64 263
20 Ne5 6 263
21 Ng8 4 263
22 Ba6 3 264