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