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 Ra4 draw
3 Ra6 draw
4 Ra7 draw
5 Rc3 draw
6 Ka2 loss in 2 half-moves
7 Kb1 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Ra2 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rg3 loss in 1 half-moves
16 Rh3 loss in 1 half-moves