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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Kg6 draw
3 Kg7 draw
4 Kh6 draw
5 Rb6 draw
6 Rf7 draw
7 Rf8 draw
8 Kg8 loss in 6 half-moves
9 Kh8 loss in 4 half-moves
10 Rf5 loss in 4 half-moves
11 Rc6 loss in 2 half-moves
12 Rd6 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Rf4 loss in 1 half-moves