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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Ke6 win in 3 half-moves
3 Rf6 win in 3 half-moves
4 Rf7 win in 3 half-moves
5 Kc7 win in 5 half-moves
6 Kd7 win in 5 half-moves
7 Ke7 win in 5 half-moves
8 Ke8 win in 5 half-moves
9 Rf8 win in 13 half-moves
10 Kc8 draw
11 Kd5 draw
12 Kf6 draw
13 Rf3 draw
14 Rf4 draw
15 Rg5 draw
16 Rh5 draw
17 Kd4 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves