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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Ka5 draw
3 Kb5 draw
4 Ra5 draw
5 Ra8 draw
6 Rh7 draw
7 Re7 loss in 4 half-moves
8 Rf7 loss in 4 half-moves
9 Ka3 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Rg7 loss in 2 half-moves