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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kg4 draw
3 Kg5 draw
4 Kh4 draw
5 Kh6 draw
6 Ra5 draw
7 Rf2 draw
8 Rf3 draw
9 Rf4 draw
10 Rg5 draw
11 Kg6 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rd5 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rf1 loss in 1 half-moves