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

EGTB: win in 4 half-moves

# move score
1 K5g6 win in 3 half-moves
2 Kh4 draw
3 Kh7 draw
4 K5g5 loss in 2 half-moves
5 K6g5 loss in 2 half-moves
6 K6g6 loss in 2 half-moves
7 Kg4 loss in 2 half-moves
8 Kg7 loss in 2 half-moves