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

EGTB: win in 4 half-moves

# move score
1 Kd5 win in 3 half-moves
2 Rf1 draw
3 Rf2 draw
4 Rf3 draw
5 Rf4 draw
6 Rf6 draw
7 Kd4 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rh5 loss in 2 half-moves