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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Rc1 draw
3 Re1 draw
4 Rg1 draw
5 Ka5 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rh1 loss in 2 half-moves