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 Kg6 draw
3 Ra6 draw
4 Ra7 draw
5 Rf5 draw
6 Rg5 draw
7 Rh5 draw
8 Kg5 loss in 4 half-moves
9 Kg7 loss in 4 half-moves
10 Kh5 loss in 4 half-moves
11 Kh7 loss in 4 half-moves
12 Ra1 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Ra8 loss in 1 half-moves