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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Ka4 draw
3 Kb4 draw
4 Kb5 draw
5 Ra1 draw
6 Rg2 draw
7 Re2 loss in 4 half-moves
8 Rh2 loss in 4 half-moves
9 Ka6 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Rf2 loss in 2 half-moves