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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Ra5 draw
3 Rc5 draw
4 Rd5 draw
5 Re5 draw
6 Rf1 draw
7 Rf2 draw
8 Rf6 draw
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Kee7 loss in 2 half-moves
12 Kef7 loss in 2 half-moves
13 Kfe7 loss in 2 half-moves
14 Kff7 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves