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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kd6 draw
3 Kd7 draw
4 Ke6 draw
5 Kf6 draw
6 Kf7 draw
7 Ra5 draw
8 Rb5 draw
9 Rf6 draw
10 Rf7 draw
11 Rf8 draw
12 Ke8 loss in 6 half-moves
13 Kf8 loss in 6 half-moves
14 Kd8 loss in 4 half-moves
15 Rc5 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves