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

EGTB: win in 4 half-moves

# move score
1 Kgf1 win in 3 half-moves
2 Kgf2 win in 3 half-moves
3 Kh1 win in 3 half-moves
4 Kh2 win in 3 half-moves
5 Rh1 win in 3 half-moves
6 Kd1 win in 7 half-moves
7 Kd2 win in 7 half-moves
8 Kef2 win in 7 half-moves
9 Kg3 win in 9 half-moves
10 Ke2 draw
11 Kef1 draw
12 Kh3 draw
13 Rf1 draw
14 Kf3 loss in 2 half-moves