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