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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rd7 win in 1 half-moves
3 K3b3 draw
4 Ka2 draw
5 Kb2 draw
6 Ra5 draw
7 Ra6 draw
8 Rc7 draw
9 Re7 draw
10 K4b3 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 K3b4 loss in 1 half-moves
14 K4b4 loss in 1 half-moves
15 Rb7 loss in 1 half-moves
16 Rf7 loss in 1 half-moves
17 Rg7 loss in 1 half-moves
18 Rh7 loss in 1 half-moves