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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Rg4 win in 7 half-moves
3 Rh4 win in 7 half-moves
4 Kc5 draw
5 Kd5 draw
6 Ke4 draw
7 Ke5 draw
8 Rf6 draw
9 Rf7 draw
10 Rf8 draw
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves