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 Ra4 draw
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rg7 draw
7 Ra8 loss in 10 half-moves
8 Ka2 loss in 2 half-moves
9 Ka4 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rh7 loss in 2 half-moves