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