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

EGTB: win in 4 half-moves

# move score
1 Ke5 win in 3 half-moves
2 Rf3 win in 3 half-moves
3 Rf5 win in 3 half-moves
4 Kd5 win in 5 half-moves
5 Kd7 win in 5 half-moves
6 Kd8 win in 5 half-moves
7 Kb7 draw
8 Kb8 draw
9 Kc7 draw
10 Kd3 draw
11 Kd4 draw
12 Ke3 draw
13 Kf3 draw
14 Kf5 draw
15 Rf1 draw
16 Rf2 draw
17 Rf6 draw
18 Rf7 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves