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

EGTB: win in 2 half-moves

# move score
1 b4 win in 1 half-moves
2 Nh6 win in 1 half-moves
3 Nh8 win in 1 half-moves
4 Ka6 loss in 2 half-moves
5 Ka7 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 Kbb6 loss in 2 half-moves
9 Kbc7 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Kcb6 loss in 2 half-moves
13 Kcc7 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Nd6 loss in 2 half-moves
18 Nd8 loss in 2 half-moves
19 Ne5 loss in 2 half-moves
20 Ng5 loss in 2 half-moves