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