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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kd7 draw
4 Ke7 draw
5 Kf7 draw
6 Rf5 draw
7 Rf6 draw
8 Rf7 draw
9 Rg8 draw
10 Rh8 draw
11 Ka4 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves