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 Ka7 draw
3 Ra1 draw
4 Ra4 draw
5 Ra5 draw
6 Ra6 draw
7 Rb3 draw
8 Rh3 loss in 4 half-moves
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Ra7 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 2 half-moves
16 Rc3 loss in 1 half-moves