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

EGTB: win in 4 half-moves

# move score
1 Kef7 win in 3 half-moves
2 Kef8 win in 3 half-moves
3 Ke6 draw
4 Kf6 draw
5 Kg7 draw
6 Kgf7 draw
7 Kgf8 draw
8 Kh7 draw
9 Kh8 draw
10 Rf8 draw
11 Kd6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves