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

EGTB: draw

# move score
1 Ka5 draw
2 Ra8 draw
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rf7 draw
7 Kb5 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rg7 loss in 2 half-moves
12 Rh7 loss in 2 half-moves