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

EGTB: win in 12 half-moves

# move score
1 Kd4 win in 11 half-moves
2 Kb7 win in 13 half-moves
3 K5d5 win in 15 half-moves
4 K5d6 win in 15 half-moves
5 K6d6 win in 15 half-moves
6 Kd7 win in 15 half-moves
7 Na8 win in 19 half-moves
8 b4 loss in 4 half-moves
9 K5b6 loss in 4 half-moves
10 K6d5 loss in 4 half-moves
11 Kc4 loss in 4 half-moves
12 Ne6 loss in 4 half-moves
13 Ne8 loss in 4 half-moves
14 K6b6 loss in 3 half-moves
15 Kb4 loss in 3 half-moves
16 Na6 loss in 3 half-moves
17 Nd5 loss in 3 half-moves