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

EGTB: draw

# move score
1 Ra8 draw
2 Rd7 draw
3 Re7 draw
4 Rf7 draw
5 Ka4 loss in 2 half-moves
6 Ka6 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rh7 loss in 2 half-moves