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

EGTB: win in 6 half-moves

# move score
1 Rf8 win in 5 half-moves
2 Rd7 draw
3 Rf1 draw
4 Rf2 draw
5 Rf3 draw
6 Rf4 draw
7 Rg7 draw
8 Rh7 draw
9 K7a7 loss in 2 half-moves
10 K7a8 loss in 2 half-moves
11 K7c7 loss in 2 half-moves
12 K7c8 loss in 2 half-moves
13 K8a7 loss in 2 half-moves
14 K8a8 loss in 2 half-moves
15 K8c7 loss in 2 half-moves
16 K8c8 loss in 2 half-moves
17 Ka6 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rf6 loss in 2 half-moves