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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Ra2 draw
6 Ra7 draw
7 Rb3 draw
8 Rc3 draw
9 Rd3 loss in 4 half-moves
10 Rg3 loss in 4 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rh3 loss in 2 half-moves