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 Ka7 draw
3 Ra1 draw
4 Ra2 draw
5 Ra4 draw
6 Ra6 draw
7 Re3 draw
8 Rf3 draw
9 Rg3 draw
10 Rh3 draw
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rd3 loss in 2 half-moves