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

EGTB: loss in 5 half-moves

# move score
1 b5 loss in 4 half-moves
2 K6c7 loss in 4 half-moves
3 K6d7 loss in 4 half-moves
4 K6e7 loss in 4 half-moves
5 K8c7 loss in 4 half-moves
6 K8d7 loss in 4 half-moves
7 K8e7 loss in 4 half-moves
8 Kc5 loss in 4 half-moves
9 Kc6 loss in 4 half-moves
10 Kc8 loss in 4 half-moves
11 Ke5 loss in 4 half-moves
12 Ke6 loss in 4 half-moves
13 Ke8 loss in 4 half-moves
14 Nc7 loss in 4 half-moves
15 Ne7 loss in 4 half-moves
16 Nb4 loss in 2 half-moves
17 Nc3 loss in 2 half-moves
18 Ne3 loss in 2 half-moves
19 Nf4 loss in 2 half-moves
20 Nf6 loss in 2 half-moves