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 Rf3 draw
10 Rf6 draw
11 Rf7 draw
12 Rf8 draw
13 Ke8 loss in 6 half-moves
14 Kf8 loss in 6 half-moves
15 Kd8 loss in 4 half-moves
16 Rc5 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves