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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kb2 draw
3 Ra3 draw
4 Ra8 draw
5 Rd2 draw
6 Kb1 loss in 2 half-moves
7 Ra5 loss in 2 half-moves
8 Ra6 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Rg2 loss in 2 half-moves
13 Rh2 loss in 2 half-moves
14 Re2 loss in 1 half-moves
15 Rf2 loss in 1 half-moves