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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Kb7 draw
3 Kc7 draw
4 Kd7 draw
5 Rc1 draw
6 Rc2 draw
7 Rc3 draw
8 Rc4 draw
9 Rd5 draw
10 Re5 draw
11 Rf5 draw
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rh5 loss in 2 half-moves