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 Kb4 win in 1 half-moves
3 Kd4 win in 1 half-moves
4 K4c5 loss in 2 half-moves
5 K4d5 loss in 2 half-moves
6 Kb3 loss in 2 half-moves
7 Kc3 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 K6c5 loss in 1 half-moves
10 K6d5 loss in 1 half-moves
11 Kb6 loss in 1 half-moves
12 Kb7 loss in 1 half-moves
13 Kc7 loss in 1 half-moves
14 Kd6 loss in 1 half-moves
15 Kd7 loss in 1 half-moves
16 Nd7 loss in 1 half-moves
17 Ne6 loss in 1 half-moves
18 Ng6 loss in 1 half-moves
19 Nh7 loss in 1 half-moves