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 Ka3 draw
3 Ka5 draw
4 Ra6 draw
5 Rb7 draw
6 Rc7 draw
7 Rd7 draw
8 Re7 draw
9 Rf7 draw
10 Rh7 draw
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Rg7 loss in 2 half-moves