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

EGTB: win in 2 half-moves

# move score
1 K4g3 win in 1 half-moves
2 Kg5 win in 1 half-moves
3 Kh5 win in 1 half-moves
4 K3g3 loss in 2 half-moves
5 Kg2 loss in 2 half-moves
6 Kh2 loss in 2 half-moves
7 K3g4 loss in 1 half-moves
8 K4g4 loss in 1 half-moves