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 Kf5 draw
3 Ra7 draw
4 Rf6 draw
5 Rf8 draw
6 Rg7 draw
7 Rh7 draw
8 Ke3 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Kf3 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves