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 Ka7 draw
3 Kb8 draw
4 Ra2 draw
5 Rb1 draw
6 Rd1 loss in 6 half-moves
7 Kb7 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rg1 loss in 2 half-moves
15 Rh1 loss in 2 half-moves
16 Rc1 loss in 1 half-moves