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

EGTB: win in 2 half-moves

# move score
1 Rf6 win in 1 half-moves
2 K7b7 draw
3 K7b8 draw
4 K8b8 draw
5 Ka6 draw
6 Kb6 draw
7 Rd6 draw
8 Re6 draw
9 Rg6 draw
10 Rh1 draw
11 Rh5 draw
12 Rh7 draw
13 Rh8 draw
14 K8b7 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rh4 loss in 2 half-moves